Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

65°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 31 Aug 5:55 am CDT
Extended Forecast for

3 Miles SW Ellis Grove IL

Heat Advisory August 31, 12:00pm until September 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 5 to 9 mph.

    High: 97 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98. Heat index values as high as 104. South wind 3 to 6 mph.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 73. South wind 3 to 6 mph.

    Low: 73 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. Calm wind becoming southwest around 6 mph in the morning.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Clear, with a low around 74.

    Low: 74 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 93.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 102. Southwest wind 5 to 9 mph.
Tonight
Clear, with a low around 72. South wind around 6 mph.
Tuesday
Sunny and hot, with a high near 98. Heat index values as high as 104. South wind 3 to 6 mph.
Tuesday Night
Clear, with a low around 73. South wind 3 to 6 mph.
Wednesday
Sunny and hot, with a high near 97. Calm wind becoming southwest around 6 mph in the morning.
Wednesday Night
Clear, with a low around 74.
Thursday
Sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 74.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 72.
Saturday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 92.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ellis Grove IL
 37.99°N 89.95°W (Elev. 381 ft)
5:21 am CDT Aug 31, 2026
6am CDT Aug 31, 2026-6pm CDT Sep 6, 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