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

Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

McAlester, McAlester Regional Airport (KMLC)

Lat: 34.88°NLon: 95.78°WElev: 768ft.

Fair

83°F

28°C

Humidity 77%
Wind Speed Calm
Barometer 30.02 in (1015.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 24 Jul 11:53 pm CDT
Extended Forecast for

Lamar OK

Heat Advisory July 25, 11:00am until July 25, 09:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 78. South wind around 6 mph.

    Low: 78 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Heat index values as high as 109. South southwest wind 7 to 9 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 79. South wind around 6 mph.

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. Heat index values as high as 106. South southwest wind 5 to 7 mph.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 78. South wind around 6 mph.

    Low: 78 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 78.

    Low: 78 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79.

    Low: 79 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 78. South wind around 6 mph.
Saturday
Sunny and hot, with a high near 98. Heat index values as high as 109. South southwest wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 79. South wind around 6 mph.
Sunday
Sunny and hot, with a high near 100. Heat index values as high as 106. South southwest wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 78. South wind around 6 mph.
Monday
Sunny and hot, with a high near 101.
Monday Night
Clear, with a low around 78.
Tuesday
Sunny and hot, with a high near 103.
Tuesday Night
Mostly clear, with a low around 79.
Wednesday
Mostly sunny and hot, with a high near 102.
Wednesday Night
Mostly clear, with a low around 79.
Thursday
Mostly sunny and hot, with a high near 102.
Thursday Night
Partly cloudy, with a low around 80.
Friday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lamar OK
 35.11°N 96.13°W
Last Update:
11:57 pm CDT Jul 24, 2026
Forecast Valid:
12am CDT Jul 25, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation