National Weather Service Forecast for: McAlester OK
Issued by: National Weather Service Tulsa, OK
Updated: 2:50 pm CDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Mostly sunny and hot, with a high near 101. Heat index values as high as 109. South wind around 5 mph.
Hot
 Tonight

Tonight: Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon.
Hot
 Wednesday
Night
Wednesday Night: A 20 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm.
Slight Chance
T-storms
 Thursday

Thursday: Mostly sunny, with a high near 98. South wind around 5 mph.
Mostly Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Partly Cloudy
 Friday

Friday: Mostly sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.
Hot
 Friday
Night
Friday Night: Mostly clear, with a low around 76. Southwest wind around 5 mph becoming northeast in the evening.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 91. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny
Hi 101 °F Lo 78 °F Hi 100 °F Lo 78 °F Hi 98 °F Lo 78 °F Hi 101 °F Lo 76 °F Hi 91 °F

Hazardous Weather Outlook
Heat Advisory
Heat Advisory
 

This Afternoon
 
 Mostly sunny and hot, with a high near 101. Heat index values as high as 109. South wind around 5 mph.
Tonight
 
 Partly cloudy, with a low around 78. South wind around 5 mph becoming calm.
Wednesday
 
 Mostly sunny and hot, with a high near 100. Heat index values as high as 109. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm.
Thursday
 
 Mostly sunny, with a high near 98. South wind around 5 mph.
Thursday Night
 
 Partly cloudy, with a low around 78. Southeast wind around 5 mph.
Friday
 
 Mostly sunny and hot, with a high near 101. Southwest wind 5 to 10 mph.
Friday Night
 
 Mostly clear, with a low around 76. Southwest wind around 5 mph becoming northeast in the evening.
Saturday
 
 Sunny, with a high near 91. North wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Clear, with a low around 70. North wind 5 to 10 mph.
Sunday
 
 Sunny, with a high near 89. North wind around 5 mph.
Sunday Night
 
 Clear, with a low around 71. North wind around 5 mph becoming calm in the evening.
Monday
 
 Sunny, with a high near 93. Calm wind becoming east around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for McAlester OK.