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

77°F

25°C

Humidity 36%
Wind Speed S 6 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Sep 5:54 pm CDT
Extended Forecast for

Peoria ILSimilar City Names

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. South southeast wind 5 to 8 mph, with gusts as high as 16 mph.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then showers likely. High near 73. South wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 8pm, then a chance of showers after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 68. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers. High near 76. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 61. North wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 61 °F

    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 69. North northeast wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 69 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 51. Northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. South southeast wind 5 to 8 mph, with gusts as high as 16 mph.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely. High near 73. South wind 6 to 8 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A slight chance of showers before 8pm, then a chance of showers after midnight. Cloudy, then gradually becoming partly cloudy, with a low around 68. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
Showers. High near 76. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday Night
Showers. Low around 61. North wind 6 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 69. North northeast wind 10 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 51. Northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 65.
Monday Night
Clear, with a low around 48.
Tuesday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Peoria ILSimilar City Names
 40.74°N 89.61°W (Elev. 686 ft)
Last Update:
2:52 pm CDT Sep 29, 2026
Forecast Valid:
6pm CDT Sep 29, 2026-6pm CDT Oct 6, 2026
 
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Additional Resources

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Chance of Precipitation