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

Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Hazardous Weather Conditions

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

102°F

39°C

Humidity 29%
Wind Speed S 20 G 26 mph
Barometer 29.82 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 12 Aug 12:15 pm CDT
Extended Forecast for

Helena OK

Heat Advisory August 12, 12:28pm until August 14, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 12, 12:28pm until August 14, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 107 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 80. South wind 13 to 17 mph, with gusts as high as 26 mph.

    Low: 80 °F

    Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 109. South wind 17 to 22 mph, with gusts as high as 33 mph.

    High: 109 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 106. South wind 16 to 20 mph, with gusts as high as 30 mph.

    High: 106 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 105.

    High: 105 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 107. South wind around 17 mph, with gusts as high as 26 mph.
Tonight
Clear, with a low around 80. South wind 13 to 17 mph, with gusts as high as 26 mph.
Thursday
Sunny and hot, with a high near 109. South wind 17 to 22 mph, with gusts as high as 33 mph.
Thursday Night
Mostly clear, with a low around 78. South wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny and hot, with a high near 106. South wind 16 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 78.
Saturday
Sunny and hot, with a high near 105.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Mostly sunny and hot, with a high near 105.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny and hot, with a high near 102.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny and hot, with a high near 103.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Helena OK
 36.54°N 98.27°W
Last Update:
1:26 am CDT Aug 12, 2026
Forecast Valid:
12pm CDT Aug 12, 2026-6pm CDT Aug 18, 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