Harrisburg, IL

1:04 PM CDT on May 16, 2012 (GMT -0500)
Elev: 367 ft
Lon: 88.5° W
Lat: 37.7° N
Source
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Tropical Weather: Tropical Storm Aletta (East Pacific) Invest 92 (East Pacific)
Weather Summary
Weather Underground Forecast for Wednesday, May 16, 2012.

Unsettled weather is expected to continue across the Eastern U.S. Wednesday. A weak trough of low pressure will remain in place, as a cold front over the Midwest moves east and south. The northern portion of this cold front is forecast to move offshore Thursday morning, while the southern portion becomes near stationary across the Southeast and lower Mississippi Valley. As a result, widely scattered showers and isolated thunderstorms are expected across the Tennessee and Ohio Valley as well as the Eastern U.S. Wednesday and continue into Thursday morning. In particular, there is a slight risk of severe thunderstorms across parts of the Northeast. Some hail will be possible, but greater severe risk appears to be locally damaging winds. In addition, a few storms may produce locally gusty winds or small hail over the Southeast Coast in the afternoon.

Elsewhere, scattered showers and thunderstorms will continue over southeast Texas and Gulf Coast. Moreover, a few isolated rain showers and thunderstorms may pop up over the Intermountain West.

Temperature wise, another hot and dry day is in store for the Desert Southwest. Afternoon temperatures will reach 90s and low 100s. Over the Northern High Plains, temperatures are forecast to soar 15 to 20 degrees above average. Widespread upper 80s and low 90s are expected for the highs.
Weather Underground Forecast for Wednesday, May 16, 2012.

Unsettled weather is expected to continue across the Eastern U.S. Wednesday. A weak trough of low pressure will remain in place, as a cold front over the Midwest moves east and south. The northern portion of this cold front is forecast to move offshore Thursday morning, while the southern portion becomes near stationary across the Southeast and lower Mississippi Valley. As a result, widely scattered showers and isolated thunderstorms are expected across the Tennessee and Ohio Valley as well as the Eastern U.S. Wednesday and continue into Thursday morning. In particular, there is a slight risk of severe thunderstorms across parts of the Northeast. Some hail will be possible, but greater severe risk appears to be locally damaging winds. In addition, a few storms may produce locally gusty winds or small hail over the Southeast Coast in the afternoon.

Elsewhere, scattered showers and thunderstorms will continue over southeast Texas and Gulf Coast. Moreover, a few isolated rain showers and thunderstorms may pop up over the Intermountain West.

Temperature wise, another hot and dry day is in store for the Desert Southwest. Afternoon temperatures will reach 90s and low 100s. Over the Northern High Plains, temperatures are forecast to soar 15 to 20 degrees above average. Widespread upper 80s and low 90s are expected for the highs.

Harrisburg Weather at a Glance

Updated 12:46 PM CDT
Elevation
360 ft
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Now
Clear
Clear
Temperature
83 °F
Feels Like 82 °F
Wind(mph)
6
Sunrise / Set
5:43 AM
7:58 PM
Moon
Waning Crescent
Today
Chance of a Thunderstorm 83 °F
Chance of T-storms
20% chance of precipitation
Tonight
Clear 59 °F
Clear
Tomorrow
Partly Cloudy 81 | 61 °F
Partly Cloudy
Friday
Clear 84 | 64 °F
Clear
Saturday
Clear 88 | 64 °F
Clear
Sunday
Clear 88 | 66 °F
Clear
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
29.97 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
38%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KHSB 161755Z AUTO 25005KT 10SM CLR 28/12 A2997 RMK AO2
Don't speak METAR? Read our FAQ.
Weather Radio
Temperature
Heat Index
82 °F
Dew Point
55 °F
Wind
Speed / Dir
6 mph from WNW
Wind Gust
11.0 mph
Health
UV
12 out of 16
Pollen
8.80 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday
chancetstorms Clear in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 83F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Wednesday Night
nt_clear Clear with a chance of a thunderstorm and a chance of rain. Low of 59F. Winds from the NNE at 5 to 10 mph. Chance of rain 20%.
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 81F. Winds from the NE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 61F. Winds from the East at 5 to 10 mph.
Friday
clear Clear. High of 84F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 64F. Winds from the SE at 5 to 10 mph.
Saturday
clear Clear. High of 88F. Winds from the SSE at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 64F. Winds from the SSE at 5 to 10 mph.
Sunday
clear Clear. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 50%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 40%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 86F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 93F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_clear Clear. Low of 70F. Winds from the South at 5 to 10 mph.
Thursday
clear Clear. High of 90F. Winds from the South at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 70F. Winds from the South at 5 to 10 mph.
Friday
chancetstorms Clear with a chance of a thunderstorm. High of 90F with a heat index of 108F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 90F with a heat index of 108F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Saturday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph. Chance of rain 20%.
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Forecast

View Calendar 10-Day Forecast for station KHSB

Wednesday, 16
Chance of a Thunderstorm
83 | 59 °F
Chance of T-storms
Chance of
Precipitation
20%
Thursday, 17
Partly Cloudy
81 | 61 °F
Partly Cloudy
Chance of
Precipitation
0%
Friday, 18
Clear
84 | 64 °F
Clear
Chance of
Precipitation
10%
Saturday, 19
Clear
88 | 64 °F
Clear
Chance of
Precipitation
0%
Sunday, 20
Clear
88 | 66 °F
Clear
Chance of
Precipitation
0%
Monday, 21
Chance of a Thunderstorm
81 | 64 °F
Chance of T-storms
Chance of
Precipitation
50%
Tuesday, 22
Chance of a Thunderstorm
86 | 64 °F
Chance of T-storms
Chance of
Precipitation
50%
Wednesday, 23
Chance of a Thunderstorm
93 | 70 °F
Chance of T-storms
Chance of
Precipitation
40%
Thursday, 24
Clear
90 | 70 °F
Clear
Chance of
Precipitation
0%
Friday, 25
Chance of a Thunderstorm
90 | 70 °F
Chance of T-storms
Chance of
Precipitation
20%
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
chancetstorms Clear in the morning, then partly cloudy with a chance of a thunderstorm and a chance of rain. High of 83F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.
Wednesday Night
nt_clear Clear with a chance of a thunderstorm and a chance of rain. Low of 59F. Winds from the NNE at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 59 | 54 78 | 56 76 | 56 61 | 54
Wind 3 mph WSW 7 mph West 8 mph NNW 6 mph NNE
Humidity 86% 46% 48% 78%
Chance of Precip. 0% 10% 20% 10%
Cloud Cover 11% 4% 35% 6%
Conditions Clear Clear Chance of a Thunderstorm Clear
Sunrise & Sunset
5:43 AM
7:58 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.97], Average RMSE [2.37]
The National Weather Service forecast quality is good. MaxT RMSE [1.92], Average RMSE [2.01] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Thursday
partlycloudy Partly cloudy in the morning, then clear. High of 81F. Winds from the NE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 61F. Winds from the East at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 53 73 | 53 78 | 54 64 | 54
Wind 5 mph NNE 6 mph NE 6 mph ENE 5 mph East
Humidity 77% 47% 43% 73%
Chance of Precip. 10% 10% 0% 0%
Cloud Cover 17% 14% 8% 7%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:42 AM
7:59 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.15], Average RMSE [2.02]
The National Weather Service forecast quality is fair. MaxT RMSE [2.96], Average RMSE [2.79] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Friday
clear Clear. High of 84F. Winds from the SSE at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 64F. Winds from the SE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 59 80 | 58 81 | 56 68 | 59
Wind 5 mph ESE 6 mph SSE 7 mph SSE 7 mph ESE
Humidity 87% 45% 41% 71%
Chance of Precip. 0% 10% 10% 0%
Cloud Cover 2% 1% 13% 10%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:00 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.61], Average RMSE [4.03]
The National Weather Service forecast quality is fair. MaxT RMSE [3.14], Average RMSE [3.03] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Saturday
clear Clear. High of 88F. Winds from the SSE at 5 to 10 mph.
Saturday Night
nt_clear Clear. Low of 64F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 59 85 | 65 83 | 60 68 | 62
Wind 6 mph SSE 10 mph South 8 mph SSE 6 mph SE
Humidity 79% 49% 44% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 7% 12% 14% 18%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
8:00 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [3.63], Average RMSE [5.39]
The National Weather Service forecast quality is poor. MaxT RMSE [4.60], Average RMSE [3.68] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Sunday
clear Clear. High of 88F. Winds from the South at 5 to 10 mph.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 66F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 60 81 | 58 84 | 60 68 | 62
Wind 6 mph South 8 mph South 5 mph SSW 5 mph South
Humidity 82% 44% 44% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 10% 10% 19% 33%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
5:40 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.12], Average RMSE [5.51]
The National Weather Service forecast quality is poor. MaxT RMSE [5.15], Average RMSE [3.84] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 81F. Winds less than 5 mph. Chance of rain 50%.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 62 78 | 57 78 | 56 67 | 61
Wind 3 mph WSW 5 mph SSW 2 mph WSW 1 mph North
Humidity 85% 49% 48% 80%
Chance of Precip. 0% 20% 20% 20%
Cloud Cover 22% 25% 31% 39%
Conditions Clear Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:40 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.17], Average RMSE [5.90]
The National Weather Service forecast quality is poor. MaxT RMSE [5.42], Average RMSE [4.18] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 86F. Winds from the SSW at 5 to 10 mph. Chance of rain 50%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 60 84 | 65 76 | 60 67 | 61
Wind 4 mph SE 5 mph South 3 mph SW 5 mph South
Humidity 85% 53% 55% 78%
Chance of Precip. 10% 20% 30% 10%
Cloud Cover 61% 53% 47% 29%
Conditions Partly Cloudy Chance of a Thunderstorm Chance of a Thunderstorm Partly Cloudy
Sunrise & Sunset
5:40 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.56], Average RMSE [5.27]
The National Weather Service forecast quality is poor. MaxT RMSE [5.57], Average RMSE [4.31] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 93F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Wednesday Night
nt_clear Clear. Low of 70F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 62 86 | 67 80 | 60 72 | 63
Wind 5 mph SSW 6 mph SSW 6 mph SSW 6 mph South
Humidity 86% 51% 49% 73%
Chance of Precip. 10% 0% 20% 10%
Cloud Cover 33% 0% 37% 0%
Conditions Partly Cloudy Clear Chance of a Thunderstorm Clear
Sunrise & Sunset
5:40 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.98], Average RMSE [5.82]
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Thursday
clear Clear. High of 90F. Winds from the South at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 70F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 86 | 65 82 | 58 74 | 64
Wind 7 mph South 8 mph South 9 mph SSW 8 mph South
Humidity 82% 50% 44% 72%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 1% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
8:01 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.54], Average RMSE [6.13]
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Friday
chancetstorms Clear with a chance of a thunderstorm. High of 90F with a heat index of 108F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Friday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 70F. Winds from the South at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 66 87 | 78 82 | 70 74 | 65
Wind 8 mph South 7 mph SSW 6 mph SSW 6 mph SSW
Humidity 84% 77% 67% 74%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 1% 2% 4% 9%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:40 AM
8:01 PM
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 90F with a heat index of 108F. Winds from the SSW at 5 to 10 mph. Chance of rain 40%.
Saturday Night
nt_clear Clear. Low of 70F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 71 | 66 87 | 78 82 | 70 73 | 65
Wind 6 mph South 5 mph SSW 4 mph SSW 4 mph South
Humidity 86% 79% 68% 75%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 16% 24% 33% %
Conditions Clear Clear Partly Cloudy Clear
Sunrise & Sunset
5:40 AM
8:01 PM
Nearby
History & Almanac
May 16, 2012 Max Temp Min Temp
Normal (KMWA) 75 °F 51 °F
Record (KMWA) 89 °F (2001) 38 °F (1973)
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Astronomy
May. 16, 2012 Rise Set
Actual Time 5:43 AM CDT 7:58 PM CDT
Civil Twilight 5:13 AM CDT 8:27 PM CDT
Nautical Twilight 4:37 AM CDT 9:04 PM CDT
Astronomical Twilight 3:58 AM CDT 9:44 PM CDT
Moon 3:08 AM CDT 4:17 PM CDT
Length Of Visible Light 15h 14m
Length of Day
14h 15m
Tomorrow will be 1m 38s longer.
Waning Crescent, 15% of the Moon is Illuminated
Today
Waning Crescent
May 20
New
May 28
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Today's Extremes
State Highs State Lows
86 °F
Cairo
84 °F
Harrisburg
83 °F
Metropolis
83 °F
Carmi
43 °F
Freeport
45 °F
Rochelle
46 °F
Waukegan
46 °F
Rockford
46 °F
DeKalb
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Travel & Activities
Travel Planning
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Nearby Events
Event Date Forecast
Arthritis Foundation Exercise Program 9:00 AM CDT 2012-05-18 Clear, 73°F
Arthritis Foundation Exercise Program 11:00 AM CDT 2012-05-18 Clear, 78°F
AA 11:00 AM CDT 2012-05-18 Clear, 78°F
Soup Kitchen 12:00 PM CDT 2012-05-18 Clear, 80°F
Community Recovery Gospel Concert 7:00 PM CDT 2012-05-18 Clear, 79°F
Retirement Reception 12:00 PM CDT 2012-05-20 Clear, 81°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Harrisburg 82 °F Clear 12:55 PM CDT
Marion Regional 84 °F Scattered Clouds 12:55 PM CDT
Carmi 83 °F Clear 12:55 PM CDT
Carbondale 84 °F Clear 12:52 PM CDT
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KHSB)
Wind Speed: 5.0 kts.
Wind Dir: 289° (WNW)
Ceiling: Unlimited

METAR KHSB 161755Z AUTO 25005KT 10SM CLR 28/12 A2997 RMK AO2

Sports
Event Date Forecast
Dodgers vs. Padres 3:35 PM PDT on May 16, 2012 Clear, 70 °F
Mariners vs. Indians 7:05 PM EDT on May 16, 2012 Clear, 61 °F
Event Date Forecast
Las Palmas vs. Deportivo 8:00 PM CEST on May 16, 2012 Chance of Rain, High 77° F/ 25° C
Córdoba CF vs. Recreativo de Huelva 8:00 PM CEST on May 16, 2012 Overcast, High 82° F/ 28° C
Event Date Forecast
Sprint Showdown 7:30 PM EDT on May 19, 2012 Partly Cloudy, 72 °F
NASCAR Sprint All-Star Race 9:00 PM EDT on May 19, 2012 Partly Cloudy, 72 °F
Event Date Forecast
HP Byron Nelson Championship 8:30 AM CDT on May 17, 2012 Clear, 63 °F
HP Byron Nelson Championship 8:30 AM CDT on May 18, 2012 Partly Cloudy, 67 °F
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
APRSWXNET Harrisburg IL , Raleigh, IL 83 °F 82 °F 55 °F 38% WNW  at  6 mph 0.00 in / hr 360 ft 12:46 PM CDT MADIS
RAWS DIXON SPRINGS IL, Simpson, IL 83 °F 82 °F 55 °F 38% WSW  at  5 mph 0.00 in / hr 540 ft 12:08 PM CDT MADIS
WB0VTM - HAM RADIO, Marion, IL 89.6 °F 89 °F 58 °F 35% WSW  at  2.7 mph - / hr 492 ft 12:57 PM CDT Normal  
APRSWXNET W.Frankfort IL, West Frankfort, IL 82 °F 81 °F 52 °F 35% West  at  5 mph 0.00 in / hr 410 ft 12:41 PM CDT MADIS
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