Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Overcast
52°F
11°C
| Humidity | 38% |
| Wind Speed | NW 10 mph |
| Barometer | 30.28 in (1025.7 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 49°F (9°C) |
| Last update | 6 Apr 8:54 pm CDT |
Extended Forecast for
2 Miles ENE Harristown IL
Tonight
Low: 34 °F
Mostly Cloudy
Tuesday
High: 47 °F
Slight Chance
Snow then
Partly SunnyTuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 68 °F
Partly Sunny
then Mostly
Sunny and
BreezyWednesday Night
Low: 52 °F
Partly Cloudy
Thursday
High: 72 °F
Mostly Sunny
Thursday Night
Low: 55 °F
Chance
ShowersFriday
High: 68 °F
Showers
LikelyFriday Night
Low: 48 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 34. North northwest wind 9 to 11 mph becoming northeast after midnight. Winds could gust as high as 21 mph.
Tuesday
A 20 percent chance of snow before 8am. Mostly cloudy, with a high near 47. East wind around 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 37. East southeast wind 9 to 11 mph, with gusts as high as 21 mph.
Wednesday
Partly sunny, with a high near 68. Breezy, with a south wind 14 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 52. South wind around 16 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 72. South southwest wind 14 to 16 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 18 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A chance of showers. Mostly cloudy, with a high near 80. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 64.
Monday
Showers likely. Mostly cloudy, with a high near 79. Breezy.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles ENE Harristown IL
39.84°N 89.03°W (Elev. 666 ft)
39.84°N 89.03°W (Elev. 666 ft)
8:06 pm CDT Apr 6, 2026
9pm CDT Apr 6, 2026-6pm CDT Apr 13, 2026
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