Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Current conditions at

Tulsa, Tulsa International Airport (KTUL)

Lat: 36.2°NLon: 95.89°WElev: 676ft.

Thunderstorm Light Rain Fog/Mist

74°F

23°C

Humidity 97%
Wind Speed W 8 mph
Barometer 30.07 in (1017.4 mb)
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 13 Sep 1:53 am CDT
Extended Forecast for

Collinsville OK

Heat Advisory September 13, 12:00pm until September 13, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly before 4am.  Mostly cloudy, with a low around 73. North wind around 5 mph becoming southeast.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 98. Heat index values as high as 109. East wind 5 to 10 mph becoming south in the afternoon.

    High: 98 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 99. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 77. South wind around 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 99. South wind around 15 mph, with gusts as high as 20 mph.

    High: 99 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South wind 5 to 10 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. South wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 73. North wind around 5 mph becoming southeast.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 98. Heat index values as high as 109. East wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Monday
Sunny, with a high near 99. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Clear, with a low around 77. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 99. South wind around 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. South wind 5 to 10 mph.
Thursday
Sunny, with a high near 97. South wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South wind around 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind around 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Northeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Collinsville OK
 36.39°N 95.86°W
1:50 am CDT Sep 13, 2026
2am CDT Sep 13, 2026-6pm CDT Sep 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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