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

Overnight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Slight Chance
T-storms

 Thursday

Thursday: Partly sunny, then gradually becoming sunny, with a high near 99. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.
Becoming
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 72. North wind around 5 mph becoming calm.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers before 10am. Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph.
Slight Chance
Showers then
Sunny
 Friday
Night
Friday Night: A slight chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 73. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Slight Chance
Showers then
Slight Chance
T-storms
 Saturday

Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Slight Chance
T-storms

 Saturday
Night
Saturday Night: Mostly clear, with a low around 73. East wind around 5 mph.
Mostly Clear

 Sunday

Sunday: Mostly sunny, with a high near 97. Southeast wind around 5 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Chance
T-storms
Lo 75 °F Hi 99 °F Lo 72 °F Hi 102 °F Lo 73 °F Hi 100 °F Lo 73 °F Hi 97 °F Lo 73 °F

Hazardous Weather Outlook
 

Overnight
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 20%.
Thursday
 
 Partly sunny, then gradually becoming sunny, with a high near 99. Heat index values as high as 102. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 72. North wind around 5 mph becoming calm.
Friday
 
 A 20 percent chance of showers before 10am. Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph.
Friday Night
 
 A slight chance of showers, with thunderstorms also possible after 4am. Mostly clear, with a low around 73. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Saturday
 
 A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny and hot, with a high near 100. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 Mostly clear, with a low around 73. East wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 97. Southeast wind around 5 mph.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
Monday
 
 A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 97. Southeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Tuesday
 
 Sunny, with a high near 99. Southwest wind 5 to 10 mph.
Tuesday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. East wind around 5 mph.
Wednesday
 
 Mostly sunny, with a high near 97. Southeast wind around 5 mph becoming northwest in the afternoon.

 

Forecast from NOAA-NWS for Tahlequah OK.