Tropical Storm Edouard to Impact the Northwest Gulf Coast; Heat Expands Eastward

Tropical Storm Edouard will bring tropical storm to hurricane conditions, heavy rainfall, flash and some river flooding, and storm surge to portions of Upper Texas and southwestern Louisiana coasts into Wednesday. Severe thunderstorms are possible in the Central Plains and Mid-Atlantic. Hot and humid conditions will expand from the Central Plains into the Ohio Valley and Mid-Atlantic. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

91°F

33°C

Humidity 63%
Wind Speed SW 7 mph
Barometer 29.98 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index104°F (40°C)
Last update 1 Sep 12:59 pm CDT
Extended Forecast for

Peru IL

Heat Advisory until September 1, 09:00pm
Heat Advisory September 2, 12:00pm until September 2, 09:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory until September 1, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Isolated showers and thunderstorms.  Mostly sunny, with a high near 92. Southwest wind around 5 mph, with gusts as high as 10 mph.  Chance of precipitation is 20%.

    High: 92 °F

    Isolated
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Isolated showers and thunderstorms before 1pm.  Mostly sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Heat index values as high as 104. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 74. South wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Sunny, with a high near 94. Heat index values as high as 102. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
Isolated showers and thunderstorms. Mostly sunny, with a high near 92. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 75.
Friday
Isolated showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Partly cloudy, with a low around 70.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 66.
Labor Day
Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
Peru IL
 41.32°N 89.12°W
11:31 am CDT Sep 1, 2026
1pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database