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

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

Fair

25°F

-4°C

Humidity 56%
Wind Speed SW 3 mph
Barometer 30.38 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Last update 23 Feb 8:35 pm CST
Extended Forecast for

Assumption IL

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Light and variable wind becoming south 5 to 9 mph after midnight.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 46. Breezy, with a south wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 46 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. West northwest wind 5 to 9 mph becoming north in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight, then rain and snow likely between midnight and 3am, then rain likely after 3am. Mostly cloudy, with a low around 30. East northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 43. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.

    High: 43 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. North northwest wind 5 to 7 mph becoming south after midnight.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Light and variable wind becoming south 5 to 9 mph after midnight.
Tuesday
Mostly cloudy, with a high near 46. Breezy, with a south wind 11 to 16 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 39 mph.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. South southwest wind 9 to 16 mph becoming west northwest after midnight. Winds could gust as high as 23 mph.
Wednesday
Mostly sunny, with a high near 46. West northwest wind 5 to 9 mph becoming north in the afternoon.
Wednesday Night
A chance of rain before midnight, then rain and snow likely between midnight and 3am, then rain likely after 3am. Mostly cloudy, with a low around 30. East northeast wind 5 to 9 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of rain before noon. Cloudy, then gradually becoming mostly sunny, with a high near 43. East northeast wind 8 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 28. North northwest wind 5 to 7 mph becoming south after midnight.
Friday
Sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42.
Sunday Night
A chance of rain or freezing rain. Mostly cloudy, with a low around 26.
Monday
A chance of rain. Mostly cloudy, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Assumption IL
 39.51°N 89.05°W (Elev. 636 ft)
Last Update:
8:36 pm CST Feb 23, 2026
Forecast Valid:
8pm CST Feb 23, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation