Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Light Rain

72°F

22°C

Humidity 93%
Wind Speed SE 5 mph
Barometer 29.99 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 19 Aug 10:55 am CDT
Extended Forecast for

Prairie du Rocher IL

  • Today

    Today: Scattered showers and thunderstorms, mainly before 2pm.  Mostly cloudy, with a high near 83. South wind 3 to 5 mph.  Chance of precipitation is 50%.

    High: 83 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 1am.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 67. Light and variable wind.  Chance of precipitation is 50%.

    Low: 67 °F

    Scattered
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Light northeast wind.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 83. South wind 3 to 5 mph. Chance of precipitation is 50%.
Tonight
Scattered showers and thunderstorms, mainly before 1am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Light northeast wind.
Friday
Sunny, with a high near 86. Calm wind.
Friday Night
Mostly clear, with a low around 66.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 64.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Prairie du Rocher IL
 38.08°N 90.09°W (Elev. 397 ft)
8:11 am CDT Aug 19, 2026
11am CDT Aug 19, 2026-6pm CDT Aug 25, 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