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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

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

A Few Clouds

70°F

21°C

Humidity 87%
Wind Speed E 13 mph
Barometer 30.15 in (1017.2 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 23 Sep 6:53 pm CDT
Extended Forecast for

Optima OK

Flood Watch until September 25, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until September 25, 07:00am

    NOW until 7:00am Fri

    Flood Watch

  • Tonight

    Low: 61 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 79. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 87. South southwest wind 5 to 10 mph becoming west in the afternoon.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Calm wind becoming west around 5 mph after midnight.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 10pm. Low around 61. East southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 79. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
Sunny, with a high near 87. South southwest wind 5 to 10 mph becoming west in the afternoon.
Saturday Night
Mostly clear, with a low around 56. Calm wind becoming west around 5 mph after midnight.
Sunday
Sunny, with a high near 88. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. East southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 91.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 51.
Wednesday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Optima OK
 36.76°N 101.36°W (Elev. 3038 ft)
Last Update:
6:20 pm CDT Sep 23, 2026
Forecast Valid:
7pm CDT Sep 23, 2026-6pm CDT Sep 30, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation