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.

Overcast

28°F

-2°C

Humidity 66%
Wind Speed Calm
Barometer 30.37 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 28 Nov 8:55 pm CST
Extended Forecast for

Peru IL

Winter Storm Warning November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Tonight

    Tonight: Snow, mainly after 3am. Low around 25. Light east southeast wind becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Cloudy then
    Snow

  • Saturday

    Saturday: Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 31. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

    High: 31 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Saturday Night

    Saturday Night: Snow. Patchy blowing snow before 9pm, then patchy blowing snow after 3am. Low around 25. Blustery, with a southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: A chance of snow before noon, then a slight chance of snow showers after noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 27 °F

    Chance Snow
    and Patchy
    Blowing Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 6. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 6 °F

    Mostly Cloudy

  • Monday

    Monday: A 40 percent chance of snow after noon. Mostly cloudy, with a high near 20.

    High: 20 °F

    Mostly Cloudy
    then Chance
    Snow

  • Monday Night

    Monday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow, mainly after 3am. Low around 25. Light east southeast wind becoming southeast 5 to 10 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 1 to 2 inches possible.
Saturday
Snow. The snow could be heavy at times. Patchy blowing snow after noon. High near 31. Breezy, with a southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.
Saturday Night
Snow. Patchy blowing snow before 9pm, then patchy blowing snow after 3am. Low around 25. Blustery, with a southeast wind 10 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
A chance of snow before noon, then a slight chance of snow showers after noon. Patchy blowing snow before 3pm. Mostly cloudy, with a high near 27. Blustery, with a west northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 6. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 15 mph.
Monday
A 40 percent chance of snow after noon. Mostly cloudy, with a high near 20.
Monday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 10.
Tuesday
Partly sunny, with a high near 22.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 30.
Wednesday Night
Mostly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 19.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
Partly sunny, with a high near 27.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.14°W
Last Update:
8:58 pm CST Nov 28, 2025
Forecast Valid:
9pm CST Nov 28, 2025-6pm CST Dec 5, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation