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.

Fair

84°F

29°C

Humidity 70%
Wind Speed S 10 mph
Barometer 30.10 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 18 Aug 9:57 am CDT
Extended Forecast for

Coalton IL

Heat Advisory August 18, 10:13am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 10:13am until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • Today

    High: 91 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 100. Light and variable wind becoming west around 5 mph in the morning.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. Light north wind. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. North wind 5 to 8 mph.

    High: 85 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 91. Heat index values as high as 103. South wind around 7 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 5 mph becoming calm.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 100. Light and variable wind becoming west around 5 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 71. Light north wind. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. North wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 83.
Thursday Night
Clear, with a low around 63.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coalton IL
 39.28°N 89.32°W (Elev. 650 ft)
Last Update:
8:46 am CDT Aug 18, 2025
Forecast Valid:
10am CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation