NWS Forecast for Owasso OK

National Weather Service Forecast for: Owasso OK
Issued by: National Weather Service Tulsa, OK

Updated: 8:11 pm CDT Jul 25, 2025

Tonight Mostly Clear	Saturday Sunny	Saturday Night Mostly Clear	Sunday Mostly Sunny	Sunday Night Partly Cloudy	Monday Mostly Sunny	Monday Night Mostly Clear	Tuesday Sunny	Tuesday Night Mostly Clear
Lo 77 °F	Hi 95 °F	Lo 78 °F	Hi 94 °F	Lo 78 °F	Hi 98 °F	Lo 78 °F	Hi 99 °F	Lo 76 °F

Hazardous Weather Outlook
Heat Advisory

Tonight	Mostly clear, with a low around 77. Southeast wind around 5 mph.
Saturday	Sunny, with a high near 95. Heat index values as high as 112. South wind 5 to 10 mph.
Saturday Night	Mostly clear, with a low around 78. South wind 5 to 10 mph.
Sunday	Mostly sunny, with a high near 94. Heat index values as high as 107. South wind 5 to 10 mph.
Sunday Night	Partly cloudy, with a low around 78. South wind 5 to 10 mph.
Monday	Mostly sunny, with a high near 98. Southwest wind 5 to 10 mph.
Monday Night	Mostly clear, with a low around 78. South wind around 5 mph.
Tuesday	Sunny, with a high near 99. Southwest wind around 5 mph.
Tuesday Night	Mostly clear, with a low around 76. South wind around 5 mph becoming calm after midnight.
Wednesday	Sunny, with a high near 99. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night	A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. East wind around 5 mph.
Thursday	A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Northeast wind 5 to 10 mph.
Thursday Night	A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74. Northeast wind 5 to 10 mph.
Friday	A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northeast wind 5 to 10 mph.

Forecast from NOAA-NWS for Owasso OK.