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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Tulsa, Tulsa International Airport (KTUL)

Lat: 36.2°NLon: 95.89°WElev: 676ft.

Partly Cloudy

66°F

19°C

Humidity 78%
Wind Speed NW 3 mph
Barometer 30.08 in (1017.8 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 28 Aug 3:53 am CDT
Extended Forecast for

Collinsville OK

  • Today

    Today: Increasing clouds, with a high near 96. Northeast wind around 5 mph becoming east in the morning.

    High: 96 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 70. East wind around 5 mph becoming southeast after midnight.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 99. Heat index values as high as 102. South wind around 10 mph.

    High: 99 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Southeast wind around 10 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 101. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. South wind around 10 mph.

    High: 99 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 96. Northeast wind around 5 mph becoming east in the morning.
Tonight
Mostly clear, with a low around 70. East wind around 5 mph becoming southeast after midnight.
Saturday
Mostly sunny, with a high near 99. Heat index values as high as 102. South wind around 10 mph.
Saturday Night
Mostly clear, with a low around 75. Southeast wind around 10 mph.
Sunday
Sunny and hot, with a high near 101. South wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday
Sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Clear, with a low around 76. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 99. South wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 99. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 78. South wind 10 to 15 mph.
Thursday
Sunny and hot, with a high near 100. South wind 10 to 15 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville OK
 36.39°N 95.86°W
Last Update:
4:11 am CDT Aug 28, 2026
Forecast Valid:
4am CDT Aug 28, 2026-6pm CDT Sep 3, 2026
 
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