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

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

74°F

23°C

Humidity 91%
Wind Speed Calm
Barometer 30.06 in (1017.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 16 Aug 5:54 am CDT
Extended Forecast for

Spring Bay IL

Heat Advisory August 16, 12:00pm until August 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 105. South wind around 6 mph becoming west in the afternoon.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Light and variable wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Calm wind becoming southeast around 5 mph after midnight.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind around 6 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Southwest wind 3 to 5 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. West northwest wind 3 to 7 mph.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 94. Heat index values as high as 105. South wind around 6 mph becoming west in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 76. Light and variable wind.
Sunday
Mostly sunny, with a high near 94. Heat index values as high as 106. Calm wind.
Sunday Night
Partly cloudy, with a low around 76. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 94. South southwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 76. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 90. West northwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 69.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Spring Bay IL
 40.83°N 89.52°W (Elev. 443 ft)
Last Update:
5:11 am CDT Aug 16, 2025
Forecast Valid:
6am CDT Aug 16, 2025-6pm CDT Aug 22, 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