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

Tulsa, Tulsa International Airport (KTUL)

Lat: 36.2°NLon: 95.89°WElev: 676ft.

Fair

73°F

23°C

Humidity 90%
Wind Speed NW 3 mph
Barometer 30.03 in (1016.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 18 Aug 2:53 am CDT
Extended Forecast for

2 Miles W Owasso OK

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

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 104. Heat index values as high as 112. Calm wind becoming south around 5 mph in the morning.

    High: 104 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 81. South wind 5 to 10 mph.

    Low: 81 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 104. Heat index values as high as 109. South wind around 10 mph becoming west in the afternoon.

    High: 104 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 75. Northeast wind 5 to 15 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 98. Northeast wind 5 to 10 mph.

    High: 98 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 74. Northeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100. East wind around 5 mph.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. East wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Tuesday
Sunny and hot, with a high near 104. Heat index values as high as 112. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Clear, with a low around 81. South wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 104. Heat index values as high as 109. South wind around 10 mph becoming west in the afternoon.
Wednesday Night
Partly cloudy, with a low around 75. Northeast wind 5 to 15 mph.
Thursday
Mostly sunny, with a high near 98. Northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 74. Northeast wind 5 to 10 mph.
Friday
Sunny and hot, with a high near 100. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 74. East wind 5 to 10 mph.
Saturday
Mostly sunny and hot, with a high near 101. Southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 77. East wind 5 to 10 mph.
Sunday
Mostly sunny and hot, with a high near 104. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 80. South wind around 15 mph, with gusts as high as 20 mph.
Monday
Mostly sunny and hot, with a high near 106. South wind around 15 mph, with gusts as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Owasso OK
 36.28°N 95.86°W
2:50 am CDT Aug 18, 2026
3am CDT Aug 18, 2026-6pm CDT Aug 24, 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