Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
63°F
17°C
| Humidity | 97% |
| Wind Speed | NE 6 mph |
| Barometer | 30.17 in (1021.4 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 7.00 mi |
| Last update | 5 Aug 5:54 am CDT |
Extended Forecast for
Harristown IL
Today
High: 82 °F
Chance
Showers then
Chance
T-stormsTonight
Low: 66 °F
Partly Cloudy
Wednesday
High: 85 °F
Mostly Sunny
Wednesday Night
Low: 68 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Thursday Night
Low: 69 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 89 °F
Sunny
Detailed Forecast
Today
A 40 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 82. East wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 66. East wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 85. Light south southeast wind.
Wednesday Night
Mostly clear, with a low around 68. Calm wind.
Thursday
Sunny, with a high near 87. South wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 69. South southeast wind around 6 mph.
Friday
Sunny, with a high near 88. South wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harristown IL
39.84°N 89.06°W (Elev. 699 ft)
39.84°N 89.06°W (Elev. 699 ft)
5:41 am CDT Aug 5, 2025
6am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
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