Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

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

Rain

83°F

28°C

Humidity 61%
Wind Speed N 10 mph
Barometer 30.00 in (1010.9 mb)
Dewpoint 68°F (20°C)
Visibility 8.00 mi
Heat Index86°F (30°C)
Last update 15 Aug 5:53 pm CDT
Extended Forecast for

Guymon OK

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph becoming north northwest in the evening.  Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 89. North northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms.  Increasing clouds, with a low around 64. East wind 5 to 10 mph becoming west southwest after midnight.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 103 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. South southwest wind 5 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 99. West wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 99 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am.  Partly cloudy, with a low around 65. Northeast wind around 10 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph becoming north northwest in the evening. Chance of precipitation is 70%.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 89. North northwest wind 5 to 10 mph becoming northeast in the afternoon.
Sunday Night
A chance of showers and thunderstorms. Increasing clouds, with a low around 64. East wind 5 to 10 mph becoming west southwest after midnight. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 93. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 65. South wind 5 to 10 mph.
Tuesday
Sunny and hot, with a high near 103. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 68. South southwest wind 5 to 10 mph.
Wednesday
Sunny and hot, with a high near 99. West wind around 10 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Partly cloudy, with a low around 65. Northeast wind around 10 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny and hot, with a high near 98.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny and hot, with a high near 101.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny and hot, with a high near 101.
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ABOUT THIS FORECAST

 
Point Forecast:
Guymon OK
 36.69°N 101.5°W (Elev. 3051 ft)
6:05 pm CDT Aug 15, 2026
6pm CDT Aug 15, 2026-6pm CDT Aug 22, 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