Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Partly Cloudy
44°F
7°C
| Humidity | 53% |
| Wind Speed | N 16 mph |
| Barometer | 30.33 in (1027.1 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 7 Apr 12:54 am CDT |
Extended Forecast for
2 Miles ENE Harristown IL
Overnight
Low: 35 °F
Slight Chance
Rain/SnowTuesday
High: 48 °F
Slight Chance
Snow then
Partly SunnyTuesday Night
Low: 37 °F
Mostly Cloudy
Wednesday
High: 69 °F
Partly Sunny
then Mostly
Sunny and
BreezyWednesday Night
Low: 53 °F
Partly Cloudy
Thursday
High: 74 °F
Mostly Sunny
Thursday Night
Low: 55 °F
Mostly Cloudy
then Chance
ShowersFriday
High: 67 °F
Showers
LikelyFriday Night
Low: 47 °F
Chance
Showers
Detailed Forecast
Overnight
A slight chance of rain after 4am, mixing with snow after 5am. Cloudy, with a low around 35. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of snow before 9am. Mostly cloudy, with a high near 48. East wind 10 to 13 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 37. East wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a south southeast wind 14 to 21 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 53. South wind around 17 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 74. South southwest wind 13 to 15 mph, with gusts as high as 22 mph.
Thursday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 55. South wind 9 to 13 mph, with gusts as high as 20 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
Mostly cloudy, with a high near 78. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63.
Monday
A chance of showers. Partly sunny, with a high near 81. 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)
1:26 am CDT Apr 7, 2026
1am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
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