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.

Overcast

62°F

17°C

Humidity 90%
Wind Speed SW 10 mph
Barometer 29.78 in (1008.0 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 6:54 am CDT
Extended Forecast for

Green Valley IL

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 78. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 78 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. West southwest wind around 5 mph becoming light and variable.

    Low: 55 °F

    Clear

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. South wind around 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    T-storms then
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 55 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 8am. Otherwise, sunny, with a high near 57. West northwest wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 78. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 55. West southwest wind around 5 mph becoming light and variable.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 85. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. South wind around 14 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A 30 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 55. West northwest wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 57. West northwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Green Valley IL
 40.41°N 89.63°W (Elev. 545 ft)
Last Update:
7:36 am CDT Apr 16, 2026
Forecast Valid:
7am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation