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

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

71°F

22°C

Humidity 53%
Wind Speed S 6 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 29 Sep 10:54 am CDT
Extended Forecast for

Topeka IL

  • Today

    Today: Mostly sunny, with a high near 80. South wind 5 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. South southeast wind around 6 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 1pm, then a chance of showers. Cloudy, with a high near 76. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. South wind 3 to 7 mph. Winds could gust as high as 17 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 79. South southwest wind 3 to 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 1am. Low around 62. North northeast wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 68. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 68 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. South wind 5 to 7 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. South southeast wind around 6 mph, with gusts as high as 16 mph.
Wednesday
Showers and thunderstorms likely before 1pm, then a chance of showers. Cloudy, with a high near 76. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Mostly cloudy, with a low around 68. South wind 3 to 7 mph. Winds could gust as high as 17 mph.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 79. South southwest wind 3 to 5 mph. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers, with thunderstorms also possible after 1am. Low around 62. North northeast wind 3 to 7 mph. Winds could gust as high as 18 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 68. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Topeka IL
 40.33°N 89.92°W (Elev. 499 ft)
Last Update:
11:26 am CDT Sep 29, 2026
Forecast Valid:
11am CDT Sep 29, 2026-6pm CDT Oct 5, 2026
 
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