Jacksonville, IL

1:04 PM CDT on May 16, 2012 (GMT -0500)
Elev: 597 ft
Lon: 90.3° W
Lat: 39.7° N
Source
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Tropical Weather: Tropical Storm Aletta (East Pacific) Invest 92 (East Pacific)
Weather Summary
Kari Kiefer
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.
Weather Underground Broadcast Network

Jacksonville Weather at a Glance

Updated 1:04 PM CDT
Weather Station - report
Book Lane, Jacksonville
Elevation
663 ft
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Now
Clear
Clear
Temperature
73.6 °F
Feels Like 77 °F
Wind(mph)
2.5
Sunrise / Set
5:45 AM
8:10 PM
Moon
Waning Crescent
Today
Clear 75 °F
Clear
Tonight
Clear 52 °F
Clear
Tomorrow
Clear 79 | 61 °F
Clear
Friday
Clear 86 | 66 °F
Clear
Saturday
Clear 91 | 70 °F
Clear
Sunday
Chance of a Thunderstorm 91 | 64 °F
Chance of T-storms
50% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
30.08 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
32%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KIJX 161755Z AUTO 02009G14KT 10SM CLR 24/05 A3008 RMK AO2 T02350050 10235 20165
Don't speak METAR? Read our FAQ.
Weather Radio
Launch Weather Radio
Temperature
Heat Index
77 °F
Dew Point
42 °F
Wind
Speed / Dir
2.5 mph from NNW
Wind Gust
8.3 mph
Health
UV
11 out of 16
Pollen
9.60 out of 12
Pollen Forecast
Ozone
Good
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday
clear Clear. High of 75F. Winds from the NNE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 52F. Winds from the ENE at 5 to 10 mph.
Thursday
clear Clear. High of 79F. Winds from the SE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 61F. Winds from the SSE at 5 to 10 mph.
Friday
clear Clear. High of 86F. Winds from the SSE at 5 to 10 mph shifting to the East in the afternoon.
Friday Night
nt_clear Clear. Low of 66F. Winds from the SSE at 5 to 10 mph.
Saturday
clear Clear. High of 91F. Winds from the SSE at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 70F. Winds from the SSE at 5 to 10 mph.
Sunday
chancetstorms Clear in the morning, then mostly cloudy with a chance of a thunderstorm and rain. High of 91F. Winds from the South at 5 to 15 mph. Chance of rain 50%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.
Monday
chancetstorms Overcast with a chance of a thunderstorm. High of 86F with a heat index of 104F. Winds from the North at 5 to 10 mph. Chance of rain 50%.
Monday Night
nt_fog Overcast. Fog overnight. Low of 61F. Winds from the NNE at 5 to 10 mph. Chance of rain 20%.
Tuesday
cloudy Overcast. High of 88F. Winds less than 5 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 64F. Winds less than 5 mph.
Wednesday
partlycloudy Clear. High of 88F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 68F. Winds from the SSE at 5 to 10 mph.
Thursday
clear Clear. High of 95F. Winds from the South at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 68F. Winds from the South at 5 to 10 mph.
Friday
clear Clear. High of 86F with a heat index of 99F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 68F. Winds from the South at 5 to 10 mph.
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 97F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Low of 68F. Winds less than 5 mph. Chance of rain 20%.
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Forecast

View Calendar 10-Day Forecast for station KILJACKS2

Wednesday, 16
Clear
75 | 52 °F
Clear
Chance of
Precipitation
0%
Thursday, 17
Clear
79 | 61 °F
Clear
Chance of
Precipitation
0%
Friday, 18
Clear
86 | 66 °F
Clear
Chance of
Precipitation
10%
Saturday, 19
Clear
91 | 70 °F
Clear
Chance of
Precipitation
0%
Sunday, 20
Chance of a Thunderstorm
91 | 64 °F
Chance of T-storms
Chance of
Precipitation
50%
Monday, 21
Chance of a Thunderstorm
86 | 61 °F
Chance of T-storms
Chance of
Precipitation
50%
Tuesday, 22
Overcast
88 | 64 °F
Overcast
Chance of
Precipitation
0%
Wednesday, 23
Partly Cloudy
88 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 24
Clear
95 | 68 °F
Clear
Chance of
Precipitation
0%
Friday, 25
Clear
86 | 68 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
clear Clear. High of 75F. Winds from the NNE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 52F. Winds from the ENE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 60 | 53 69 | 47 73 | 47 55 | 37
Wind 7 mph North 12 mph NNE 9 mph NE 7 mph ENE
Humidity 79% 47% 39% 50%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 33% 8% 10% 8%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:45 AM
8:10 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.57], Average RMSE [2.29]
The National Weather Service forecast quality is good. MaxT RMSE [2.14], Average RMSE [1.52] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Thursday
clear Clear. High of 79F. Winds from the SE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 61F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 52 | 40 71 | 48 76 | 47 65 | 53
Wind 6 mph East 9 mph SE 9 mph SSE 8 mph SSE
Humidity 64% 44% 35% 63%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 7% 9% 13% 15%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:44 AM
8:11 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.66], Average RMSE [2.16]
The National Weather Service forecast quality is good. MaxT RMSE [2.25], Average RMSE [1.60] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Friday
clear Clear. High of 86F. Winds from the SSE at 5 to 10 mph shifting to the East in the afternoon.
Friday Night
nt_clear Clear. Low of 66F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 55 78 | 59 83 | 59 71 | 54
Wind 8 mph SSE 10 mph South 9 mph South 8 mph SE
Humidity 80% 51% 42% 54%
Chance of Precip. 0% 10% 10% 0%
Cloud Cover 17% 20% 20% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:43 AM
8:12 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [1.76], Average RMSE [1.82]
The National Weather Service forecast quality is fair. MaxT RMSE [2.97], Average RMSE [2.05] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Saturday
clear Clear. High of 91F. Winds from the SSE at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 70F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 67 | 57 81 | 60 84 | 55 73 | 58
Wind 8 mph SSE 11 mph SSE 10 mph South 9 mph SSE
Humidity 70% 46% 35% 57%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 0% 0% 0% 0%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:42 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.27], Average RMSE [2.14]
The National Weather Service forecast quality is poor. MaxT RMSE [4.52], Average RMSE [2.61] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Sunday
chancetstorms Clear in the morning, then mostly cloudy with a chance of a thunderstorm and rain. High of 91F. Winds from the South at 5 to 15 mph. Chance of rain 50%.
Sunday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 64F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.5 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 62 81 | 58 85 | 56 71 | 60
Wind 8 mph South 10 mph South 5 mph South 4 mph WSW
Humidity 74% 46% 37% 66%
Chance of Precip. 0% 0% 30% 30%
Cloud Cover 0% 0% 76% 92%
Conditions Clear Clear Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.99], Average RMSE [3.24]
The National Weather Service forecast quality is poor. MaxT RMSE [4.34], Average RMSE [2.42] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Monday
chancetstorms Overcast with a chance of a thunderstorm. High of 86F with a heat index of 104F. Winds from the North at 5 to 10 mph. Chance of rain 50%.
Monday Night
nt_fog Overcast. Fog overnight. Low of 61F. Winds from the NNE at 5 to 10 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 66 | 63 72 | 61 83 | 69 69 | 61
Wind 3 mph NW 6 mph North 7 mph NNE 6 mph NE
Humidity 87% 68% 66% 75%
Chance of Precip. 40% 20% 20% 10%
Cloud Cover 100% 94% 100% 99%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Fog
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.43], Average RMSE [3.27]
The National Weather Service forecast quality is poor. MaxT RMSE [4.68], Average RMSE [2.70] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Tuesday
cloudy Overcast. High of 88F. Winds less than 5 mph.
Tuesday Night
nt_mostlycloudy Mostly cloudy. Fog overnight. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 79 | 65 78 | 57 68 | 58
Wind 5 mph NE 3 mph NE 2 mph WNW 4 mph SW
Humidity 87% 60% 45% 72%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 99% 99% 99% 93%
Conditions Fog Overcast Overcast Overcast
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.85], Average RMSE [4.24]
The National Weather Service forecast quality is poor. MaxT RMSE [5.83], Average RMSE [4.33] : Use NWS
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 88F. Winds from the SSW at 5 to 10 mph.
Wednesday Night
nt_clear Clear. Low of 68F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 59 82 | 62 84 | 61 74 | 64
Wind 6 mph South 9 mph SSW 7 mph SSW 8 mph SSE
Humidity 84% 49% 45% 69%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 69% 0% 4% 4%
Conditions Fog Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.63], Average RMSE [4.10]
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Thursday
clear Clear. High of 95F. Winds from the South at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 68F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 68 | 60 83 | 60 90 | 59 73 | 64
Wind 7 mph SSE 9 mph South 8 mph South 8 mph South
Humidity 75% 47% 36% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 5% 2% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [5.41], Average RMSE [4.00]
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Friday
clear Clear. High of 86F with a heat index of 99F. Winds from the SSW at 5 to 10 mph.
Friday Night
nt_clear Clear. Low of 68F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 67 83 | 77 80 | 70 72 | 65
Wind 5 mph South 8 mph SW 6 mph SW 6 mph SSW
Humidity 90% 83% 73% 78%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 2% 2%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
Source: BestForecast at 9:08 AM CDT on May 16, 2012
Descriptive Forecast
Saturday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 97F. Winds from the SSW at 5 to 10 mph. Chance of rain 20%.
Saturday Night
nt_clear Clear. Low of 68F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 64 83 | 75 85 | 73 72 | 64
Wind 4 mph South 6 mph SSW 5 mph SSW 5 mph South
Humidity 86% 79% 68% 74%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 2% 9% 22% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:41 AM
8:13 PM
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
May 16, 2012 Max Temp Min Temp
Normal (KSPI) 74 °F 53 °F
Record (KSPI) 93 °F (2001) 33 °F (1997)
Yesterday 85 °F 48 °F
Yesterday's Cooling Degree Days: 2
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Moderate
OZONE
Yesterday Good
PM2.5
Current Good
OZONE
Current Good
PM2.5
Wednesday Good
OZONE
Astronomy
May. 16, 2012 Rise Set
Actual Time 5:45 AM CDT 8:10 PM CDT
Civil Twilight 5:14 AM CDT 8:41 PM CDT
Nautical Twilight 4:36 AM CDT 9:19 PM CDT
Astronomical Twilight 3:54 AM CDT 10:01 PM CDT
Moon 3:14 AM CDT 4:26 PM CDT
Length Of Visible Light 15h 26m
Length of Day
14h 25m
Tomorrow will be 1m 46s 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
Visit Astronomy
Today's Extremes
State Highs State Lows
86 °F
Cairo
84 °F
Marion Regional
84 °F
Harrisburg
83 °F
Metropolis
83 °F
Carmi
43 °F
Freeport
45 °F
Rochelle
46 °F
Waukegan
46 °F
Rockford
46 °F
DeKalb
Record Extremes
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Jacksonville 74 °F Clear 12:55 PM CDT
Pittsfield 70 °F Clear 12:55 PM CDT
Springfield 74 °F Clear 12:52 PM CDT
Quincy 70 °F Clear 12:54 PM CDT
View all Aviation Tools
Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: VFR (KIJX)
Wind Speed: 9.0 kts.
Wind Dir: 333° (NNW)
Ceiling: Unlimited

METAR KIJX 161755Z AUTO 02009G14KT 10SM CLR 24/05 A3008 RMK AO2 T02350050 10235 20165

View all Reports & Maps
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
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Book Lane, Jacksonville, IL 73.6 °F 77 °F 42 °F 32% NNW  at  2.5 mph 0.00 in / hr 663 ft 1:04 PM CDT Rapid Fire  
Fox Ln, Jacksonville, IL 73.0 °F 77 °F 39 °F 32% West  at  11.4 mph 0.00 in / hr 655 ft 1:04 PM CDT Rapid Fire  
HADS ILLINOIS RIVER AT VALLEY CITY IL, Griggsville, IL 67 °F - - - North  at  - 0.00 in / hr 416 ft 11:30 AM CDT MADIS
MesoWest US-67 @ BEARDSTOWN , Beardstown, IL 76 °F 78 °F 51 °F 42% North  at  6 mph 0.00 in / hr 429 ft 12:31 PM CDT MADIS
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