Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

Lat: 36.68°NLon: 101.51°WElev: 3123ft.

Fair and Breezy

101°F

38°C

Humidity 16%
Wind Speed S 21 G 32 mph
Barometer 29.84 in (1004.2 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 3 Aug 12:53 pm CDT
Extended Forecast for

10 Miles N Guymon / Guymon Municipal Airport OK

Heat Advisory until August 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 3, 09:00pm

    NOW until 9:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 105 °F

    Hot and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 96. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 96 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 65. East northeast wind around 5 mph.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 100. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 20%.

    High: 100 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am.  Mostly cloudy, with a low around 63. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Northeast wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms, mainly before 1am.  Partly cloudy, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 105. Breezy, with a south wind 20 to 25 mph, with gusts as high as 30 mph.
Tonight
Increasing clouds, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 96. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 65. East northeast wind around 5 mph.
Wednesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 100. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 98. Northeast wind 5 to 15 mph becoming south southeast in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny and hot, with a high near 98. South wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 65.
Saturday
Sunny and hot, with a high near 100.
Saturday Night
Clear, with a low around 68.
Sunday
Sunny and hot, with a high near 102.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles N Guymon / Guymon Municipal Airport OK
 36.82°N 101.5°W (Elev. 3176 ft)
12:46 pm CDT Aug 3, 2026
1pm CDT Aug 3, 2026-6pm CDT Aug 9, 2026
 
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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