National Weather Service Forecast for: Guymon OK
Issued by: National Weather Service Amarillo, TX
Updated: 6:45 pm CDT Sep 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 62. North northeast wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Partly Cloudy

Sunday

Sunday: Sunny and hot, with a high near 101. Southeast wind 5 to 10 mph becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Hot

Sunday
Night
Sunday Night: Mostly clear, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph.
Mostly Clear

Monday

Monday: Sunny and hot, with a high near 99. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Hot and
Breezy

Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 68. South wind around 20 mph, with gusts as high as 30 mph.
Slight Chance
T-storms

Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 93. West southwest wind 10 to 20 mph.
Mostly Sunny
then Chance
Showers
Tuesday
Night
Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers.  Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph.  Chance of precipitation is 70%.
Showers
Likely

Wednesday

Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 90. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.
Chance
Showers

Lo 62 °F Hi 101 °F Lo 69 °F Hi 99 °F Lo 68 °F Hi 93 °F Lo 61 °F Hi 90 °F Lo 63 °F

Hazardous Weather Outlook
 

Tonight
 
Partly cloudy, with a low around 62. North northeast wind 5 to 15 mph becoming east southeast after midnight. Winds could gust as high as 20 mph.
Sunday
 
Sunny and hot, with a high near 101. Southeast wind 5 to 10 mph becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
 
Mostly clear, with a low around 69. South wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
 
Sunny and hot, with a high near 99. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday Night
 
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. South wind around 20 mph, with gusts as high as 30 mph.
Tuesday
 
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. West southwest wind 10 to 20 mph.
Tuesday Night
 
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Wednesday
 
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 90. South wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
 
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Thursday Night
 
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Friday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Friday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Guymon OK.