Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Light Rain and Breezy
37°F
3°C
| Humidity | 93% |
| Wind Speed | NE 22 G 32 mph |
| Barometer | 30.11 in (1019.3 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 8.00 mi |
| Wind Chill | 26°F (-3°C) |
| Last update | 27 Mar 1:54 am CDT |
Extended Forecast for
2 Miles ENE Harristown IL
Overnight
Low: 34 °F
Rain and
BreezyFriday
High: 48 °F
Decreasing
CloudsFriday Night
Low: 27 °F
Mostly Clear
Saturday
High: 51 °F
Sunny
Saturday Night
Low: 39 °F
Increasing
CloudsSunday
High: 62 °F
Mostly Cloudy
Sunday Night
Low: 53 °F
Mostly Cloudy
Monday
High: 77 °F
Partly Sunny
Monday Night
Low: 62 °F
Chance
T-storms
Detailed Forecast
Overnight
Rain and possibly a thunderstorm before 3am, then rain likely. Low around 34. Breezy, with a north northeast wind around 22 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 48. North wind around 18 mph, with gusts as high as 29 mph.
Friday Night
Mostly clear, with a low around 27. North northwest wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 51. North wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Increasing clouds, with a low around 39. South wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 62. South wind 13 to 16 mph, with gusts as high as 24 mph.
Sunday Night
Mostly cloudy, with a low around 53. South wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Partly sunny, with a high near 77.
Monday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A 30 percent chance of rain after 1pm. Partly sunny, with a high near 81. Breezy.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 58. Breezy.
Wednesday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 71. Breezy.
Wednesday Night
Rain and thunderstorms likely. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 49.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 62.
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)
1:26 am CDT Mar 27, 2026
2am CDT Mar 27, 2026-6pm CDT Apr 2, 2026
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