National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

Overcast

86°F

30°C

Humidity 40%
Wind Speed NA
Barometer 30.18 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 2:16 pm CDT
Extended Forecast for

Assumption IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 8 mph.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 62. South wind around 5 mph becoming calm after midnight.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. South southeast wind around 6 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 85. South wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87. South wind 3 to 6 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers. Mostly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind around 8 mph.
Tonight
Mostly clear, with a low around 62. South wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 86. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Clear, with a low around 57. South southeast wind around 6 mph.
Sunday
Sunny, with a high near 85. South wind 6 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 60. South wind around 6 mph.
Monday
Sunny, with a high near 87. South wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
A 40 percent chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Assumption IL
 39.51°N 89.05°W (Elev. 636 ft)
Last Update:
12:51 pm CDT Oct 3, 2025
Forecast Valid:
2pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation