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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

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

Partly Cloudy

68°F

20°C

Humidity 87%
Wind Speed S 10 mph
Barometer 29.99 in (1010.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 Jun 5:53 am CDT
Extended Forecast for

12 Miles WNW Guymon / Guymon Municipal Airport OK

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Sunny and hot, with a high near 97. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 97 °F

    Sunny then
    Severe
    Thunderstorms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 7pm and 10pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.

    Low: 66 °F

    Severe
    Thunderstorms
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. West wind 5 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. East wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 85. North northeast wind around 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. East southeast wind 10 to 15 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 58. East wind 5 to 15 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Some of the storms could be severe. Sunny and hot, with a high near 97. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 7pm and 10pm. Some of the storms could be severe. Mostly cloudy, then gradually becoming clear, with a low around 66. Breezy, with a south wind 20 to 25 mph, with gusts as high as 35 mph.
Sunday
Sunny and hot, with a high near 99. West wind 5 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 60. East wind 10 to 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph.
Monday
Mostly sunny, with a high near 85. North northeast wind around 15 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. East southeast wind 10 to 15 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 58. East wind 5 to 15 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles WNW Guymon / Guymon Municipal Airport OK
 36.77°N 101.7°W (Elev. 3363 ft)
Last Update:
5:46 am CDT Jun 20, 2026
Forecast Valid:
6am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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