Current conditions at

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

Fair

47°F

8°C

Humidity 78%
Wind Speed S 14 mph
Barometer 29.97 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Feb 2:55 am CST
Extended Forecast for

3 Miles SSW Illiopolis IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 17 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after 5pm.  Cloudy, with a high near 60. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly between 9pm and 3am.  Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a south wind 17 to 22 mph, with gusts as high as 41 mph.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 68. West southwest wind 9 to 18 mph, with gusts as high as 28 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 45. South southeast wind 6 to 8 mph.

    Low: 45 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 68. South southeast wind 9 to 18 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before midnight.  Mostly clear, with a low around 34. West wind 14 to 18 mph, with gusts as high as 26 mph.

    Low: 34 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. Breezy.

    High: 46 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. South wind around 8 mph, with gusts as high as 17 mph.
Tuesday
A 20 percent chance of showers after 5pm. Cloudy, with a high near 60. South wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 36 mph.
Tuesday Night
A 30 percent chance of showers, mainly between 9pm and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 52. Breezy, with a south wind 17 to 22 mph, with gusts as high as 41 mph.
Wednesday
Sunny, with a high near 68. West southwest wind 9 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 45. South southeast wind 6 to 8 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 68. South southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Thursday Night
A 40 percent chance of showers before midnight. Mostly clear, with a low around 34. West wind 14 to 18 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 46. Breezy.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 17.
Monday
Sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Illiopolis IL
 39.81°N 89.29°W (Elev. 597 ft)
2:37 am CST Feb 17, 2026
3am CST Feb 17, 2026-6pm CST Feb 23, 2026
 
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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