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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Peoria - General Downing-Peoria International Airport (KPIA)

Lat: 40.67°NLon: 89.68°WElev: 659ft.

Fair

68°F

20°C

Humidity 73%
Wind Speed S 6 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Sep 5:54 am CDT
Extended Forecast for

West Peoria IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. North wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 3pm, then a slight chance of showers between 3pm and 4pm. Mostly cloudy, with a high near 83. East northeast wind 3 to 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: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Partly cloudy, with a low around 70. Light east wind.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East northeast wind 3 to 5 mph.

    Low: 67 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. East wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 89. South wind 6 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph.
Tonight
Showers and thunderstorms likely, mainly before 10pm, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. North wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms likely before 3pm, then a slight chance of showers between 3pm and 4pm. Mostly cloudy, with a high near 83. East northeast wind 3 to 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
A 50 percent chance of showers after 1am. Partly cloudy, with a low around 70. Light east wind.
Thursday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. East northeast wind 3 to 5 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. East wind 5 to 7 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 86.
Saturday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers. Partly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Peoria IL
 40.7°N 89.64°W (Elev. 486 ft)
Last Update:
6:06 am CDT Sep 15, 2026
Forecast Valid:
6am CDT Sep 15, 2026-6pm CDT Sep 21, 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