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

78°F

26°C

Humidity 93%
Wind Speed Calm
Barometer 29.82 in (1009.0 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 12 Aug 2:54 am CDT
Extended Forecast for

Pekin IL

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 85. Southeast wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. East wind 5 to 7 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 71. East northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 87. East northeast wind 5 to 7 mph.

    High: 87 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind around 8 mph, with gusts as high as 17 mph.

    Low: 73 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 6 mph.
Wednesday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 85. Southeast wind 6 to 8 mph becoming west in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. East wind 5 to 7 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms before 3pm, then a chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 84. East southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday Night
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Low around 71. East northeast wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, with a high near 87. East northeast wind 5 to 7 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. East wind around 8 mph, with gusts as high as 17 mph.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pekin IL
 40.57°N 89.62°W (Elev. 551 ft)
Last Update:
2:06 am CDT Aug 12, 2026
Forecast Valid:
3am CDT Aug 12, 2026-6pm CDT Aug 18, 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