Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

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 SE 7 mph
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Aug 12:30 am CDT
Extended Forecast for

6 Miles W Orienta OK

Heat Advisory August 18, 11:00am until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 74. Southeast wind around 7 mph.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Isolated thunderstorms after 1pm.  Sunny and hot, with a high near 108. South southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 10%.

    High: 108 °F

    Sunny then
    Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 81. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 81 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 106. Southwest wind 8 to 11 mph becoming north northeast in the afternoon.

    High: 106 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 72. Northeast wind 7 to 11 mph.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Friday

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

    High: 103 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Southeast wind around 7 mph.
Tuesday
Isolated thunderstorms after 1pm. Sunny and hot, with a high near 108. South southeast wind 6 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly clear, with a low around 81. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Sunny and hot, with a high near 106. Southwest wind 8 to 11 mph becoming north northeast in the afternoon.
Wednesday Night
Partly cloudy, with a low around 72. Northeast wind 7 to 11 mph.
Thursday
Mostly sunny and hot, with a high near 100.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny and hot, with a high near 103.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny and hot, with a high near 104.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Mostly sunny and hot, with a high near 106.
Sunday Night
Mostly clear, with a low around 78.
Monday
Mostly sunny and hot, with a high near 108.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles W Orienta OK
 36.35°N 98.57°W
8:32 pm CDT Aug 17, 2026
12am CDT Aug 18, 2026-6pm CDT Aug 24, 2026
 
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Additional Resources

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