Severe Thunderstorms and Heavy Rain Across the Ohio Valley;

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Tulsa, Tulsa International Airport (KTUL)

Lat: 36.2°NLon: 95.89°WElev: 676ft.

A Few Clouds

85°F

29°C

Humidity 63%
Wind Speed S 9 mph
Barometer 30.00 in (1014.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 11 Aug 8:53 am CDT
Extended Forecast for

Collinsville OK

Heat Advisory August 11, 12:00pm until August 11, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny and hot, with a high near 101. Heat index values as high as 109. South wind around 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 82. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 82 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 111. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 82. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 82 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 103. South wind around 15 mph, with gusts as high as 25 mph.

    High: 103 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 82. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 82 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 102. South wind around 15 mph, with gusts as high as 25 mph.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 81 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 102. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 102 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 101. Heat index values as high as 109. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 82. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 111. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 82. South wind around 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 103. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 82. South wind around 15 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 102. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 81. South wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 102. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 80. South wind 10 to 15 mph.
Sunday
Sunny and hot, with a high near 103. Southwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 78. South wind 5 to 10 mph.
Monday
Mostly sunny and hot, with a high near 100. West wind around 5 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville OK
 36.37°N 95.86°W
8:51 am CDT Aug 11, 2026
9am CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
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