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

Northwest Arkansas Regional Airport (KXNA)

Lat: 36.29°NLon: 94.31°WElev: 1266ft.

Fair

90°F

32°C

Humidity 44%
Wind Speed SW 8 G 20 mph
Barometer 29.98 in (1013.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 19 Aug 9:53 am CDT
Extended Forecast for

3 Miles NNW Decatur Arpt AR

Heat Advisory August 19, 11:04am until August 19, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 19, 11:04am until August 19, 09:00pm

    NOW until 9:00pm Wed

    Heat Advisory

  • Today

    High: 105 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 4am.  Partly cloudy, with a low around 73. North wind around 5 mph becoming northeast after midnight.

    Low: 73 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 98. Heat index values as high as 104. North wind around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. North wind around 5 mph becoming calm  after midnight.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 99 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. East wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the morning.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers before 1pm. Sunny and hot, with a high near 105. Heat index values as high as 111. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Partly cloudy, with a low around 73. North wind around 5 mph becoming northeast after midnight.
Thursday
Mostly sunny, with a high near 98. Heat index values as high as 104. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 69. North wind around 5 mph becoming calm after midnight.
Friday
Sunny, with a high near 99. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. East wind around 5 mph becoming calm in the evening.
Saturday
Sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 74. Southeast wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 100. Southeast wind 5 to 10 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75. Southeast wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 101. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 76. South wind around 10 mph.
Tuesday
Sunny and hot, with a high near 101. Southwest wind around 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Decatur Arpt AR
 36.39°N 94.47°W
10:50 am CDT Aug 19, 2026
11am CDT Aug 19, 2026-6pm CDT Aug 25, 2026
 
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Additional Resources

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