National Weather Service Forecast for: Muskogee OK
Issued by: National Weather Service Tulsa, OK
Updated: 2:50 am CDT Aug 20, 2026
 
Overnight

Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 76. Calm wind.
Slight Chance
Showers

 Thursday

Thursday: Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 101. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers before 10am. Sunny and hot, with a high near 104. Heat index values as high as 108. Calm wind becoming southeast around 5 mph.
Slight Chance
Showers then
Sunny
 Friday
Night
Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Slight Chance
T-storms

 Saturday

Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 102. South wind around 5 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
 Saturday
Night
Saturday Night: Mostly clear, with a low around 75. East wind around 5 mph.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 99. Southeast wind around 5 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Slight Chance
T-storms
Lo 76 °F Hi 101 °F Lo 73 °F Hi 104 °F Lo 75 °F Hi 102 °F Lo 75 °F Hi 99 °F Lo 76 °F

Hazardous Weather Outlook
Heat Advisory
 

Overnight
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 76. Calm wind.
Thursday
 
 Mostly cloudy through mid morning, then gradual clearing and hot, with a high near 101. Heat index values as high as 105. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Friday
 
 A 20 percent chance of showers before 10am. Sunny and hot, with a high near 104. Heat index values as high as 108. Calm wind becoming southeast around 5 mph.
Friday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am, then a slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
 
 A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny and hot, with a high near 102. South wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
 
 Mostly clear, with a low around 75. East wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 99. Southeast wind around 5 mph.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
 
 Mostly sunny and hot, with a high near 101. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 76. South wind 5 to 10 mph.
Tuesday
 
 Sunny and hot, with a high near 102. South wind 5 to 10 mph.
Tuesday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 76. East wind around 5 mph.
Wednesday
 
 Mostly sunny and hot, with a high near 100. Southeast wind 5 to 10 mph becoming northwest in the afternoon.

 

Forecast from NOAA-NWS for Muskogee OK.