Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fog/Mist

43°F

6°C

Humidity 98%
Wind Speed S 9 mph
Barometer 30.09 in
Dewpoint 42°F (6°C)
Visibility 1.50 mi
Wind Chill38°F (3°C)
Last update 24 Nov 10:15 am CST
Extended Forecast for

Peru IL

  • Today

    Today: A 20 percent chance of rain after 3pm.  Patchy fog before 11am.  Otherwise, cloudy, with a high near 48. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 48 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after midnight.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 45. South southeast wind around 5 mph becoming calm  after midnight. Winds could gust as high as 10 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers after 3pm.  Areas of fog before noon.  Otherwise, cloudy, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 54 °F

    Areas Fog
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before midnight.  Mostly cloudy, with a low around 34. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.

    Low: 34 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 37. Breezy, with a west wind around 25 mph, with gusts as high as 40 mph.

    High: 37 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Blustery.

    Low: 23 °F

    Partly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain after 3pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 48. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Rain likely, mainly after midnight. Patchy fog after 11pm. Otherwise, cloudy, with a low around 45. South southeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A 30 percent chance of showers after 3pm. Areas of fog before noon. Otherwise, cloudy, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers before midnight. Mostly cloudy, with a low around 34. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph.
Wednesday
Partly sunny, with a high near 37. Breezy, with a west wind around 25 mph, with gusts as high as 40 mph.
Wednesday Night
Partly cloudy, with a low around 23. Blustery.
Thanksgiving Day
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 18.
Friday
Mostly sunny, with a high near 33.
Friday Night
A chance of snow. Mostly cloudy, with a low around 23.
Saturday
Snow likely. Cloudy, with a high near 34.
Saturday Night
Snow likely. Cloudy, with a low around 30.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.14°W
9:51 am CST Nov 24, 2025
10am CST Nov 24, 2025-6pm CST Nov 30, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database