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

26°F

-3°C

Humidity 81%
Wind Speed S 13 mph
Barometer 30.09 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 18 Mar 1:55 am CDT
Extended Forecast for

Peru IL

  • Overnight

    Overnight: Snow showers, mainly before 4am. Low around 20. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Showers

  • Wednesday

    Wednesday: Scattered snow showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 43. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 43 °F

    Scattered
    Snow Showers
    then Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers after 1am. Increasing clouds, with a low around 32. West southwest wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 59. South wind around 5 mph becoming north in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. North northeast wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow showers, mainly before 4am. Low around 20. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Scattered snow showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 43. South southeast wind 5 to 10 mph becoming west southwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Isolated showers after 1am. Increasing clouds, with a low around 32. West southwest wind around 5 mph becoming south after midnight. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 59. South wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 40. North northeast wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 10 mph.
Friday
Partly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 29.
Monday
Mostly cloudy, with a high near 47.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
Last Update:
1:16 am CDT Mar 18, 2026
Forecast Valid:
2am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation