National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat Overspreads the Central and Southern U.S., Pushing East Through Midweek; Severe Weather and Excessive Rain for Portions of the Upper Midwest

Dangerous heat is expected across portions of the Central and Southeast U.S. through July. Severe storms for parts of the northern Plains & upper Midwest tonight & Wednesday- threats include a few tornadoes, damaging winds & excessive rain. Heavy rain may impact portions of the Southeast and Southwest into tonight. A tropical disturbance brings heavy rain to Guam & the Marianas through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

94°F

34°C

Humidity 59%
Wind Speed SE 8 mph
Barometer 29.97 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 22 Jul 4:55 pm CDT
Extended Forecast for

6 Miles NNE Longtown MO

Extreme Heat Warning July 22, 05:12pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 22, 05:12pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Extreme Heat Warning

  • This Afternoon

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Light southeast wind.

    Low: 75 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 3 to 5 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. South wind 5 to 7 mph.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. South wind around 6 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. South wind around 7 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 75. South wind around 6 mph.

    Low: 75 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 88. Light east southeast wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Light southeast wind.
Wednesday
Sunny, with a high near 94. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 77. South wind 3 to 5 mph.
Thursday
Sunny, with a high near 95. South wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 76. South wind around 6 mph.
Friday
Sunny, with a high near 93. South wind around 7 mph.
Friday Night
Partly cloudy, with a low around 75. South wind around 6 mph.
Saturday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. South wind around 7 mph.
Saturday Night
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 76. South wind 3 to 6 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light south southwest wind.
Sunday Night
Mostly clear, with a low around 75. Light and variable wind.
Monday
Sunny, with a high near 95. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. East northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming north around 6 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Longtown MO
 37.74°N 89.74°W
Last Update:
4:31 pm CDT Jul 22, 2025
Forecast Valid:
5pm CDT Jul 22, 2025-6pm CDT Jul 29, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation