Severe Thunderstorms and Heavy Rain in the Central Plains; Dry Thunderstorms and Critical Fire Weather in the West

Severe thunderstorms and heavy rain may produce large to very-large hail, severe winds, tornadoes and numerous instances of flash flooding across portions of the central Plains. Scattered slow-moving storms will continue to bring a flash flooding threat to the central Gulf Coast. Elevated to critical fire weather conditions are expected across much of the western U.S.. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

63°F

17°C

Humidity 94%
Wind Speed N 3 mph
Barometer 29.97 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 19 Jun 11:43 pm CDT
Extended Forecast for

Peru IL

Flood Warning June 20, 12:08am until June 23, 04:00pm
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning June 20, 12:08am until June 23, 04:00pm

    NOW until 4:00pm Tue

    Flood Warning

  • Overnight

    Low: 58 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 78. West wind 5 to 15 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59. West northwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall.  High near 71. East wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.

    High: 71 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers.  Low around 58. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%.

    Low: 58 °F

    Showers and
    Breezy

  • Monday

    Monday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 40 percent chance of showers, mainly before 4am. Partly cloudy, with a low around 58. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 78. West wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 59. West northwest wind around 5 mph becoming calm. Winds could gust as high as 15 mph.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 71. East wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 58. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 59.
Wednesday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.14°W
9:11 pm CDT Jun 19, 2026
12am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database