Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

68°F

20°C

Humidity 64%
Wind Speed NE 15 G 18 mph
Barometer 30.10 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Sep 3:42 pm CDT
Extended Forecast for

Peru IL

  • Tonight

    Tonight: A 20 percent chance of showers after 1am.  Cloudy, with a low around 56. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Cloudy then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 10am.  Mostly cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 1am. Cloudy, with a low around 56. East northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 52. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 68. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 53. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Partly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.34°N 89.11°W
1:55 pm CDT Sep 21, 2026
4pm CDT Sep 21, 2026-6pm CDT Sep 28, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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