Hazardous Weather Conditions
Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Thunderstorm
73°F
23°C
| Humidity | 90% |
| Wind Speed | NE 17 G 30 mph |
| Barometer | 30.16 in (1020.7 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Last update | 16 Sep 3:54 am CDT |
Extended Forecast for
Taylorville IL
Overnight
Low: 71 °F
Chance
ShowersWednesday
High: 93 °F
Showers
Likely then
Partly SunnyWednesday Night
Low: 72 °F
Partly Cloudy
Thursday
High: 94 °F
Mostly Sunny
Thursday Night
Low: 69 °F
Partly Cloudy
Friday
High: 91 °F
Mostly Sunny
Friday Night
Low: 70 °F
Mostly Clear
Saturday
High: 95 °F
Hot
Saturday Night
Low: 70 °F
Chance
T-storms
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 71. North northeast wind around 5 mph.
Wednesday
Showers and thunderstorms likely before 10am, then a slight chance of showers between 10am and noon. Partly sunny, with a high near 93. Heat index values as high as 102. East northeast wind around 6 mph becoming light and variable in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 72. Light and variable wind.
Thursday
Mostly sunny, with a high near 94. Heat index values as high as 102. Light and variable wind becoming west around 5 mph in the morning.
Thursday Night
Partly cloudy, with a low around 69. Light and variable wind.
Friday
Mostly sunny, with a high near 91. Southeast wind around 6 mph.
Friday Night
Mostly clear, with a low around 70. East wind 3 to 7 mph.
Saturday
Mostly sunny and hot, with a high near 95.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 88.
Sunday Night
A chance of showers. Partly cloudy, with a low around 65.
Monday
A chance of showers. Partly sunny, with a high near 83.
Monday Night
A chance of showers. Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Taylorville IL
39.5°N 89.25°W (Elev. 591 ft)
39.5°N 89.25°W (Elev. 591 ft)
3:36 am CDT Sep 16, 2026
4am CDT Sep 16, 2026-6pm CDT Sep 22, 2026
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