National Weather Service Forecast for: McAlester OK
Issued by: National Weather Service Tulsa, OK
Updated: 10:50 pm CDT Jun 18, 2026
 
Tonight

Tonight: Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 71. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
T-storms
Likely

 Juneteenth

Juneteenth: A 50 percent chance of showers and thunderstorms before 4pm. Mostly cloudy, with a high near 85. Northeast wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms then
Chance
Showers
 Friday
Night
Friday Night: A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 1am. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Slight Chance
T-storms then
Chance
Showers
 Saturday

Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Chance
Showers then
Chance
T-storms
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Partly cloudy, with a low around 76. South wind 5 to 10 mph. Chance of precipitation is 30%.
Chance
T-storms then
Slight Chance
Showers
 Sunday

Sunday: Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Showers
Likely

 Monday

Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph becoming west in the afternoon.
Chance
T-storms

 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Showers
Likely
Lo 71 °F Hi 85 °F Lo 72 °F Hi 87 °F Lo 76 °F Hi 93 °F Lo 76 °F Hi 88 °F Lo 71 °F

Hazardous Weather Outlook
 

Tonight
 
 Showers and thunderstorms likely, mainly after 1am. Increasing clouds, with a low around 71. Northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
 
 A 50 percent chance of showers and thunderstorms before 4pm. Mostly cloudy, with a high near 85. Northeast wind around 5 mph becoming southeast in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a chance of showers after 1am. Mostly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
 
 A chance of showers and thunderstorms before 10pm, then a slight chance of showers. Partly cloudy, with a low around 76. South wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 76. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Monday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. South wind around 5 mph becoming west in the afternoon.
Monday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Tuesday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm.
Wednesday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.
Thursday
 
 A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Calm wind becoming south around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for McAlester OK.