Decatur, IL

1:04 PM CDT on May 16, 2012 (GMT -0500)
Elev: 610 ft
Lon: 88.9° W
Lat: 39.8° 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.

Decatur Weather at a Glance

Updated 1:04 PM CDT
Elevation
676 ft
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Now
Clear
Clear
Temperature
77.9 °F
Feels Like 79 °F
Wind(mph)
4.6
Sunrise / Set
5:39 AM
8:05 PM
Moon
Waning Crescent
Today
Partly Cloudy 78 °F
Partly Cloudy
Tonight
Clear 46 °F
Clear
Tomorrow
Clear 79 | 54 °F
Clear
Friday
Clear 82 | 64 °F
Clear
Saturday
Partly Cloudy 90 | 66 °F
Partly Cloudy
Sunday
Partly Cloudy 91 | 63 °F
Partly Cloudy
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
30.04 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
41%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KDEC 161754Z 02014G23KT 10SM CLR 23/06 A3005 RMK AO2 SLP170 T02280061 10233 20139 58001
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Weather Radio
Temperature
Heat Index
79 °F
Dew Point
51 °F
Wind
Speed / Dir
4.6 mph from North
Wind Gust
5.4 mph
Health
UV
11 out of 16
Pollen
9.60 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Source: BestForecast
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 78F. Winds from the NNE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 46F. Winds from the NE at 5 to 15 mph.
Thursday
clear Clear. High of 79F. Winds from the SE at 5 to 10 mph.
Thursday Night
nt_clear Clear. Low of 54F. Winds from the SSE at 5 to 10 mph.
Friday
clear Clear. High of 82F. Winds from the SSE at 5 to 10 mph shifting to the East in the afternoon.
Friday Night
nt_clear Clear. Low of 64F. Winds from the SSE at 5 to 10 mph.
Saturday
partlycloudy Partly cloudy. High of 90F. Winds from the South at 5 to 15 mph.
Saturday Night
nt_clear Clear. Low of 66F. Winds from the SSE at 5 to 10 mph.
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 91F. Winds from the South at 10 to 15 mph.
Sunday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Monday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 97F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.
Tuesday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 91F. Winds less than 5 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph.
Wednesday
partlycloudy Clear. High of 90F. 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 93F. 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
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 70F. 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 70F. Winds less than 5 mph. Chance of rain 20%.
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Forecast

View Calendar 10-Day Forecast for station KDEC

Wednesday, 16
Partly Cloudy
78 | 46 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 17
Clear
79 | 54 °F
Clear
Chance of
Precipitation
0%
Friday, 18
Clear
82 | 64 °F
Clear
Chance of
Precipitation
0%
Saturday, 19
Partly Cloudy
90 | 66 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 20
Partly Cloudy
91 | 63 °F
Partly Cloudy
Chance of
Precipitation
0%
Monday, 21
Chance of a Thunderstorm
86 | 63 °F
Chance of T-storms
Chance of
Precipitation
70%
Tuesday, 22
Chance of a Thunderstorm
86 | 64 °F
Chance of T-storms
Chance of
Precipitation
40%
Wednesday, 23
Partly Cloudy
90 | 68 °F
Partly Cloudy
Chance of
Precipitation
0%
Thursday, 24
Clear
93 | 70 °F
Clear
Chance of
Precipitation
0%
Friday, 25
Clear
86 | 70 °F
Clear
Chance of
Precipitation
0%
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
partlycloudy Partly cloudy in the morning, then clear. High of 78F. Winds from the NNE at 10 to 15 mph.
Wednesday Night
nt_clear Clear. Low of 46F. Winds from the NE at 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 53 70 | 44 70 | 40 54 | 38
Wind 9 mph NNW 14 mph NNE 12 mph NE 8 mph NE
Humidity 76% 39% 34% 56%
Chance of Precip. 10% 0% 0% 0%
Cloud Cover 37% 9% 19% 13%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:39 AM
8:05 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [3.03], Average RMSE [2.23]
The National Weather Service forecast quality is good. MaxT RMSE [1.57], Average RMSE [2.39] : Use NWS
Source: BestForecast at 8:44 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 54F. Winds from the SSE at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 50 | 39 69 | 45 74 | 45 60 | 48
Wind 6 mph East 9 mph ESE 8 mph SSE 8 mph SSE
Humidity 66% 40% 35% 65%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 12% 5% 14% 2%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:38 AM
8:06 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.25], Average RMSE [2.10]
The National Weather Service forecast quality is good. MaxT RMSE [1.51], Average RMSE [2.22] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Friday
clear Clear. High of 82F. Winds from the SSE at 5 to 10 mph shifting to the East in the afternoon.
Friday 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 57 | 49 78 | 56 81 | 55 65 | 53
Wind 8 mph SSE 10 mph SSE 9 mph South 7 mph SE
Humidity 73% 48% 41% 63%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 2% 2% 19% 5%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:37 AM
8:06 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.00], Average RMSE [2.58]
The National Weather Service forecast quality is good. MaxT RMSE [1.78], Average RMSE [1.90] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Saturday
partlycloudy Partly cloudy. High of 90F. Winds from the South at 5 to 15 mph.
Saturday 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 65 | 56 80 | 60 82 | 54 71 | 56
Wind 7 mph SSE 10 mph SSE 8 mph South 9 mph SE
Humidity 72% 47% 38% 59%
Chance of Precip. 0% 0% 10% 0%
Cloud Cover 6% 13% 25% 8%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:37 AM
8:07 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.18], Average RMSE [2.15]
The National Weather Service forecast quality is fair. MaxT RMSE [3.04], Average RMSE [2.10] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Sunday
partlycloudy Partly cloudy in the morning, then clear. High of 91F. Winds from the South at 10 to 15 mph.
Sunday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 69 | 59 81 | 58 84 | 62 67 | 56
Wind 7 mph South 11 mph South 7 mph SSW 4 mph SSW
Humidity 73% 46% 45% 64%
Chance of Precip. 0% 0% 0% 30%
Cloud Cover 0% 17% 20% 51%
Conditions Clear Clear Clear Chance of a Thunderstorm
Sunrise & Sunset
5:36 AM
8:08 PM
The quality of the forecasted high temperature for this day is good. MaxT RMSE [2.35], Average RMSE [2.34]
The National Weather Service forecast quality is fair. MaxT RMSE [3.09], Average RMSE [2.55] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Monday
chancetstorms Mostly cloudy with a chance of a thunderstorm. High of 86F with a heat index of 97F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.4 in. possible.
Monday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Low of 63F. Winds from the NE at 5 to 10 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 65 | 58 74 | 59 77 | 62 68 | 60
Wind 5 mph SW 4 mph SW 3 mph North 6 mph NE
Humidity 76% 58% 62% 79%
Chance of Precip. 20% 30% 30% 20%
Cloud Cover 36% 69% 62% 32%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm
Sunrise & Sunset
5:36 AM
8:08 PM
The quality of the forecasted high temperature for this day is fair. MaxT RMSE [2.69], Average RMSE [3.43]
The National Weather Service forecast quality is fair. MaxT RMSE [3.50], Average RMSE [2.77] : 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 with a heat index of 91F. Winds less than 5 mph. Chance of rain 40%.
Tuesday Night
nt_partlycloudy Partly cloudy. Low of 64F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 64 | 57 79 | 64 77 | 62 67 | 58
Wind 5 mph NE 1 mph NE 3 mph SSW 5 mph SSW
Humidity 82% 60% 59% 75%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 56% 41% 34% 21%
Conditions Partly Cloudy Partly Cloudy Chance of a Thunderstorm Clear
Sunrise & Sunset
5:36 AM
8:08 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.04], Average RMSE [4.39]
The National Weather Service forecast quality is poor. MaxT RMSE [4.99], Average RMSE [4.46] : Use NWS
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Wednesday
partlycloudy Clear. High of 90F. 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 | 61 81 | 64 82 | 58 72 | 61
Wind 5 mph SSW 9 mph SSW 7 mph SSW 7 mph SSE
Humidity 83% 56% 44% 69%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 33% 0% 22% 2%
Conditions Partly Cloudy Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:08 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.71], Average RMSE [4.81]
Source: BestForecast at 8:44 AM CDT on May 16, 2012
Descriptive Forecast
Thursday
clear Clear. High of 93F. 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 68 | 61 83 | 63 80 | 56 74 | 64
Wind 7 mph SSE 9 mph South 9 mph South 8 mph South
Humidity 77% 49% 42% 73%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 5% 5% 3% 1%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:08 PM
The quality of the forecasted high temperature for this day is poor. MaxT RMSE [4.84], Average RMSE [5.03]
Source: BestForecast at 8:44 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 70F. Winds from the South at 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 66 83 | 77 80 | 70 72 | 64
Wind 6 mph South 8 mph SSW 7 mph SW 6 mph SSW
Humidity 89% 81% 71% 75%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 1% 1% 1% 2%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:08 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 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 70F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 70 | 64 83 | 75 80 | 68 72 | 63
Wind 5 mph South 6 mph SSW 5 mph SSW 5 mph South
Humidity 82% 76% 67% 73%
Chance of Precip. 0% 0% 10% 10%
Cloud Cover 3% 8% 18% %
Conditions Clear Clear Clear Clear
Sunrise & Sunset
5:36 AM
8:08 PM
Nearby
History & Almanac
May 16, 2012 Max Temp Min Temp
Normal (KDEC) - -
Record (KDEC) 100 °F (1998) 33 °F (1997)
Yesterday 82 °F 48 °F
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 5:39 AM CDT 8:05 PM CDT
Civil Twilight 5:08 AM CDT 8:35 PM CDT
Nautical Twilight 4:30 AM CDT 9:14 PM CDT
Astronomical Twilight 3:48 AM CDT 9:56 PM CDT
Moon 3:08 AM CDT 4:20 PM CDT
Length Of Visible Light 15h 27m
Length of Day
14h 25m
Tomorrow will be 1m 47s 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
The Ball Brothers 6:00 PM CDT 2012-05-20 Chance of a Thunderstorm, 81°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Decatur 73 °F Clear 12:54 PM CDT
Taylorville 77 °F Clear 12:55 PM CDT
Lincoln 75 °F Clear 12:55 PM CDT
Champaign 74 °F Clear 12:53 PM CDT
Flight To ETA Status
EGF4021
Chicago, IL
KCMI 01:14PM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KDEC)
Wind Speed: 14.0 kts.
Wind Dir: 10° (North)
Ceiling: Unlimited

METAR KDEC 161754Z 02014G23KT 10SM CLR 23/06 A3005 RMK AO2 SLP170 T02280061 10233 20139 58001

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
Sandhill Dr. & Lost Bridge Rd., Decatur, IL 77.9 °F 79 °F 51 °F 41% North  at  4.6 mph 0.00 in / hr 676 ft 1:04 PM CDT Rapid Fire  
MesoWest I-72 @ US-36 / US-51 , Decatur, IL 72 °F 76 °F 40 °F 32% NE  at  18 mph 0.00 in / hr 648 ft 12:15 PM CDT MADIS
APRSWXNET Lane IL , Lane, IL 70 °F - 45 °F 40% ENE  at  7 mph 0.00 in / hr 725 ft 12:32 PM CDT MADIS
Hillcrest, Clinton, IL 70.2 °F 77 °F 43 °F 37% ESE  at  1.8 mph 0.00 in / hr 738 ft 1:04 PM CDT Rapid Fire  
MesoWest Kirksville , Sullivan, IL 77 °F 75 °F - - North  at  - 0.00 in / hr 678 ft 10:50 AM CDT MADIS
APRSWXNET Mount Pulaski IL , Latham, IL 74 °F 77 °F 44 °F 34% ENE  at  5 mph 0.00 in / hr 1978 ft 12:22 PM CDT MADIS
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