Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Partly Cloudy

29°F

-2°C

Humidity 62%
Wind Speed NW 13 mph
Barometer 30.27 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 9 Nov 8:15 pm CST
Extended Forecast for

Peru IL

  • Tonight

    Tonight: A slight chance of snow showers between 2am and 3am.  Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers and
    Blustery

  • Monday

    Monday: Mostly sunny, with a high near 35. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 35 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 23. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.

    Low: 23 °F

    Increasing
    Clouds

  • Veterans Day

    Veterans Day: Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow showers between 2am and 3am. Mostly cloudy, with a low around 23. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 35. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Increasing clouds, with a low around 23. West northwest wind 5 to 10 mph becoming south southwest after midnight. Winds could gust as high as 15 mph.
Veterans Day
Cloudy, then gradually becoming mostly sunny, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 36. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 47.
Sunday
A chance of rain. Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.11°W
8:11 pm CST Nov 9, 2025
8pm CST Nov 9, 2025-6pm CST Nov 16, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database