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

Life-Threatening Flash Flooding in South Central Texas; Heat Continues from the Northern Plains to the Mid-Atlantic

Life-threatening and locally catastrophic flash and urban flooding is expected across portions of south-central Texas through early Friday, with significant river flooding and rapid rises on small streams, arroyos, and typically dry washes expected. A significant heat wave continues for the Rockies, Northern Plains, and Great Lakes into the Mid-Atlantic, peaking in intensity through midweek. Read More >

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

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

A Few Clouds

86°F

30°C

Humidity 36%
Wind Speed S 13 G 22 mph
Barometer 30.15 in (1015.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Jul 11:53 am CDT
Extended Forecast for

Guymon OK

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. South southwest wind around 15 mph, with gusts as high as 20 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 64. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 93. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 64. South southeast wind around 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 94. South wind 10 to 15 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 66. South wind around 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 96. South southwest wind around 15 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Sunny and hot, with a high near 99. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 71.
Monday
Sunny and hot, with a high near 102.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Guymon OK
 36.69°N 101.5°W (Elev. 3051 ft)
Last Update:
12:05 pm CDT Jul 15, 2026
Forecast Valid:
12pm CDT Jul 15, 2026-6pm CDT Jul 21, 2026
 
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