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

Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair and Breezy

99°F

37°C

Humidity 31%
Wind Speed SW 25 mph
Barometer 29.78 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 13 Aug 10:55 am CDT
Extended Forecast for

Alva OK

Heat Advisory August 13, 07:00pm until August 14, 08:00pm
Heat Advisory August 13, 11:11am until August 13, 12:00pm
Red Flag Warning until August 13, 09:00pm
Extreme Heat Warning August 13, 12:00pm until August 13, 07:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
Red Flag Warning
Extreme Heat Warning
  •  
    Heat Advisory August 13, 11:11am until August 13, 12:00pm
    Red Flag Warning until August 13, 09:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Today

    High: 110 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 80. South wind 15 to 21 mph, with gusts as high as 31 mph.

    Low: 80 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 107. South wind 14 to 20 mph, with gusts as high as 30 mph.

    High: 107 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 79. South wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 79 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 106. South wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 106 °F

    Hot

  • Saturday Night

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

    Low: 79 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 103.

    High: 103 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny and hot, with a high near 110. South southwest wind 20 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 80. South wind 15 to 21 mph, with gusts as high as 31 mph.
Friday
Mostly sunny and hot, with a high near 107. South wind 14 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 79. South wind 14 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny and hot, with a high near 106. South wind 14 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 79.
Sunday
Mostly sunny and hot, with a high near 103.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 98.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny and hot, with a high near 104.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 105.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alva OK
 36.8°N 98.67°W
Last Update:
1:27 am CDT Aug 13, 2026
Forecast Valid:
11am CDT Aug 13, 2026-6pm CDT Aug 19, 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