National Weather Service Forecast for: Guymon OK
Issued by: National Weather Service Amarillo, TX
Updated: 1:25 am CDT Jun 30, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 72. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Partly Cloudy
and Breezy

 Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. South southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Mostly Sunny
then Chance
T-storms
 Tuesday
Night
Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 68. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 30 mph.
Chance
T-storms and
Breezy then
Mostly Cloudy
 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 97. South southwest wind around 20 mph, with gusts as high as 30 mph.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. South wind 15 to 20 mph, with gusts as high as 30 mph.
Slight Chance
T-storms

 Thursday

Thursday: Sunny and hot, with a high near 99. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Hot

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 70. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Friday

Friday: Sunny and hot, with a high near 102. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Hot

 Friday
Night
Friday Night: Partly cloudy, with a low around 71. South wind 15 to 20 mph, with gusts as high as 30 mph.
Partly Cloudy
Lo 72 °F Hi 99 °F Lo 68 °F Hi 97 °F Lo 68 °F Hi 99 °F Lo 70 °F Hi 102 °F Lo 71 °F

Hazardous Weather Outlook
 

Overnight
 
 Partly cloudy, with a low around 72. Breezy, with a south southwest wind 20 to 25 mph, with gusts as high as 40 mph.
Tuesday
 
 A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 99. South southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tuesday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 68. Breezy, with a south southeast wind 20 to 25 mph, with gusts as high as 30 mph.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 97. South southwest wind around 20 mph, with gusts as high as 30 mph.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. South wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
 
 Sunny and hot, with a high near 99. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
 
 Partly cloudy, with a low around 70. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Friday
 
 Sunny and hot, with a high near 102. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
 Partly cloudy, with a low around 71. South wind 15 to 20 mph, with gusts as high as 30 mph.
Independence Day
 
 Mostly sunny and hot, with a high near 103.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.
Monday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Guymon OK.