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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Guymon / Guymon Municipal Airport (KGUY)

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

Fair

70°F

21°C

Humidity 66%
Wind Speed S 18 mph
Barometer 29.86 in (1005.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 4:53 am CDT
Extended Forecast for

Optima OK

  • Columbus Day

    Columbus Day: Sunny, with a high near 91. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers between 10am and 1pm. Sunny, with a high near 89. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. North northwest wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.

    High: 75 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 50 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 70. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 70 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 61. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
Sunny, with a high near 91. Southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 63. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A slight chance of showers between 10am and 1pm. Sunny, with a high near 89. Southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 57. South wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 75. North northwest wind 10 to 15 mph becoming east southeast in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East northeast wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly sunny, with a high near 70. North wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Partly cloudy, with a low around 44. Breezy, with a north wind 15 to 25 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 61. North wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Optima OK
 36.76°N 101.36°W (Elev. 3038 ft)
Last Update:
3:45 am CDT Oct 12, 2026
Forecast Valid:
5am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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