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

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

18°F

-8°C

Humidity 53%
Wind Speed W 9 mph
Barometer 30.31 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 22 Jan 8:40 pm CST
Extended Forecast for

Peru IL

Cold Weather Advisory January 23, 12:00pm until January 24, 09:00am
Extreme Cold Warning January 23, 03:00am until January 23, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning

  • Tonight

    Tonight: Scattered flurries after midnight. Partly cloudy, with a low around -9. Wind chill values as low as -29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: -9 °F

    Scattered
    Flurries and
    Blustery

  • Friday

    Friday: Mostly sunny and cold, with a high near 1. Wind chill values as low as -31. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 1 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -6. Wind chill values as low as -19. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -6 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of snow, mainly after noon. Cloudy and cold, with a high near 9. Wind chill values as low as -19. East northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 9 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Snow likely. Cloudy, with a low around 6. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 6 °F

    Snow Likely

  • Sunday

    Sunday: A 50 percent chance of snow. Mostly cloudy, with a high near 15.

    High: 15 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -2.

    Low: -2 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 13.

    High: 13 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4.

    Low: 4 °F

    Partly Cloudy

Detailed Forecast

Tonight
Scattered flurries after midnight. Partly cloudy, with a low around -9. Wind chill values as low as -29. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny and cold, with a high near 1. Wind chill values as low as -31. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around -6. Wind chill values as low as -19. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
A 40 percent chance of snow, mainly after noon. Cloudy and cold, with a high near 9. Wind chill values as low as -19. East northeast wind around 5 mph, with gusts as high as 15 mph.
Saturday Night
Snow likely. Cloudy, with a low around 6. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 15.
Sunday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around -2.
Monday
Sunny, with a high near 13.
Monday Night
Partly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly cloudy, with a low around 7.
Wednesday
Mostly sunny, with a high near 17.
Wednesday Night
Partly cloudy, with a low around 1.
Thursday
Mostly sunny, with a high near 11.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
8:01 pm CST Jan 22, 2026
Forecast Valid:
8pm CST Jan 22, 2026-6pm CST Jan 29, 2026
 
Forecast Discussion
 
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Additional Resources

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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