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

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fog/Mist

41°F

5°C

Humidity 99%
Wind Speed N 9 mph
Barometer 30.17 in
Dewpoint 41°F (5°C)
Visibility 1.00 mi
Wind Chill35°F (2°C)
Last update 19 Nov 4:15 am CST
Extended Forecast for

Peru IL

  • Today

    Today: Cloudy, with a high near 45. East northeast wind around 5 mph becoming calm in the afternoon.

    High: 45 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 58. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 58 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. South southwest wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 10 mph.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday

    Friday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Chance Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 45. East northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Cloudy, with a low around 41. Calm wind.
Thursday
Cloudy, with a high near 58. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 43. South southwest wind around 5 mph becoming north northeast after midnight. Winds could gust as high as 10 mph.
Friday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 54. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A chance of rain. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.11°W
Last Update:
3:51 am CST Nov 19, 2025
Forecast Valid:
4am CST Nov 19, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation