Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Sallisaw, Sallisaw Municipal Airport (KJSV)

Lat: 35.44°NLon: 94.8°WElev: 528ft.

Fair

79°F

26°C

Humidity NA
Wind Speed Calm
Barometer 30.02 in
Dewpoint N/A
Visibility 10.00 mi
Last update 17 Aug 10:35 pm CDT
Extended Forecast for

Sallisaw OK

Extreme Heat Warning August 18, 01:00pm until August 19, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  • Tonight

    Tonight: Partly cloudy, with a low around 74. Calm wind becoming southeast around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 105. Heat index values as high as 111. East wind around 5 mph becoming southwest in the afternoon.

    High: 105 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny and hot, with a high near 105. Heat index values as high as 109. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 105 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm  after midnight.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73. North wind around 5 mph becoming calm.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 101. East wind around 5 mph.

    High: 101 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. Calm wind becoming southeast around 5 mph.
Tuesday
Sunny and hot, with a high near 105. Heat index values as high as 111. East wind around 5 mph becoming southwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 77. Southeast wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 105. Heat index values as high as 109. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming calm after midnight.
Thursday
Mostly sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 73. North wind around 5 mph becoming calm.
Friday
Sunny and hot, with a high near 101. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 72. Northeast wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 101. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 73. East wind around 5 mph becoming calm.
Sunday
Mostly sunny and hot, with a high near 100. Southeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 73. East wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 102. East wind around 10 mph becoming south in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Sallisaw OK
 35.45°N 94.81°W
10:50 pm CDT Aug 17, 2026
10pm CDT Aug 17, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database