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

Blytheville, Blytheville Municipal Airport (KHKA)

Lat: 35.94°NLon: 89.83°WElev: 256ft.

Fair

95°F

35°C

Humidity 51%
Wind Speed SW 7 mph
Barometer 29.97 in (1014.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 22 Jul 4:53 pm CDT
Extended Forecast for

4 Miles WSW Portageville MO

Extreme Heat Warning July 22, 05:15pm until July 24, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 22, 05:15pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 109. Calm wind becoming south around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. Light south southeast wind.

    Low: 79 °F

    Mostly Clear

  • Thursday

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

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Southeast wind around 6 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93. South wind 6 to 8 mph.

    High: 93 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind around 6 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 106. Light south wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 77. Calm wind.
Wednesday
Sunny, with a high near 95. 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 79. Light south southeast wind.
Thursday
Sunny, with a high near 95. South southeast wind 5 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. Southeast wind around 6 mph.
Friday
Sunny, with a high near 93. South wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind around 6 mph.
Saturday
Sunny, with a high near 93. South southwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 78. South southwest wind around 6 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southwest wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 77. South southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 94. Calm wind becoming north northwest around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 77. Light and variable wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming north northwest 5 to 7 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Portageville MO
 36.4°N 89.77°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

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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