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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Alva, Alva Regional Airport (KAVK)

Lat: 36.77°NLon: 98.67°WElev: 1473ft.

Fair

77°F

25°C

Humidity 74%
Wind Speed SW 15 mph
Barometer 29.54 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Jun 5:55 am CDT
Extended Forecast for

Alva Regional Airport OK

Heat Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Sunny and hot, with a high near 104. Southwest wind 18 to 23 mph becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 104 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 72. North wind 11 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 79. Northeast wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 79 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. East northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 88. East southeast wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 88 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.

    High: 93 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 104. Southwest wind 18 to 23 mph becoming west northwest 10 to 15 mph in the afternoon. Winds could gust as high as 34 mph.
Tonight
Mostly clear, with a low around 72. North wind 11 to 14 mph becoming east in the evening. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 79. Northeast wind 17 to 21 mph, with gusts as high as 31 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. East northeast wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Juneteenth
Partly sunny, with a high near 88. East southeast wind 6 to 14 mph, with gusts as high as 21 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76.
Sunday
Mostly sunny and hot, with a high near 99.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Monday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alva Regional Airport OK
 36.78°N 98.67°W
Last Update:
1:27 am CDT Jun 17, 2026
Forecast Valid:
6am CDT Jun 17, 2026-6pm CDT Jun 23, 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