Heavy Rain and Flooding Threat in the Central U.S.; Winter Weather in Northern Alaska

Strong thunderstorms and heavy rain may produce flash flooding across the south-central Plains and lower Mississippi Valley today. The North Slope in Alaska will see the potential for wintry weather through today with ice accumulations possible on roadways. Incoming storms will bring long duration rainfall and strong winds to most of Southcentral Alaska through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Mostly Cloudy

N/A

Humidity NA
Wind Speed E 12 mph
Barometer 30.06 in
Dewpoint N/A
Visibility 10.00 mi
Last update 28 Aug 11:35 am CDT
Extended Forecast for

Helena OK

Flood Watch August 28, 11:51am until August 28, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 28, 11:51am until August 28, 12:00pm

    NOW until 12:00pm Thu

    Flood Watch

  • Today

    High: 75 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 1am.  Mostly cloudy, with a low around 63. East northeast wind 7 to 11 mph.  Chance of precipitation is 30%.

    Low: 63 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 76. Northeast wind around 7 mph.

    High: 76 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 63. East southeast wind 3 to 7 mph.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm.  Mostly cloudy, with a high near 79. East southeast wind 3 to 6 mph.

    High: 79 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 82.

    High: 82 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 75. East southeast wind around 10 mph becoming northeast in the afternoon.
Tonight
A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 1am. Mostly cloudy, with a low around 63. East northeast wind 7 to 11 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, with a high near 76. Northeast wind around 7 mph.
Friday Night
Mostly cloudy, with a low around 63. East southeast wind 3 to 7 mph.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 79. East southeast wind 3 to 6 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 63.
Labor Day
Mostly sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Helena OK
 36.54°N 98.27°W
9:26 am CDT Aug 28, 2025
11am CDT Aug 28, 2025-6pm CDT Sep 3, 2025
 
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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