National Weather Service Forecast for: Altus OK
Issued by: National Weather Service Norman, OK
Updated: 9:32 pm CDT Jun 18, 2026
 
Tonight

Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. Northeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
T-storms

 Juneteenth

Juneteenth: Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. East southeast wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Showers
Likely then
Partly Sunny
 Friday
Night
Friday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 69. East southeast wind 7 to 11 mph. Chance of precipitation is 30%.
Chance
T-storms
 Saturday

Saturday: Mostly sunny, with a high near 91. Heat index values as high as 97. East southeast wind 6 to 11 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 73. South southeast wind 15 to 17 mph, with gusts as high as 26 mph.
Mostly Clear

 Sunday

Sunday: Sunny and hot, with a high near 101.
Hot

 Sunday
Night
Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 73.
Chance
Showers
 Monday

Monday: Sunny, with a high near 92.
Sunny

 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Showers
Likely
Lo 65 °F Hi 86 °F Lo 69 °F Hi 91 °F Lo 73 °F Hi 101 °F Lo 73 °F Hi 92 °F Lo 68 °F

Flood Watch
 

Tonight
 
 Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 65. Northeast wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Juneteenth
 
 Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 86. East southeast wind 8 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 69. East southeast wind 7 to 11 mph. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny, with a high near 91. Heat index values as high as 97. East southeast wind 6 to 11 mph.
Saturday Night
 
 Mostly clear, with a low around 73. South southeast wind 15 to 17 mph, with gusts as high as 26 mph.
Sunday
 
 Sunny and hot, with a high near 101.
Sunday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly clear, with a low around 73.
Monday
 
 Sunny, with a high near 92.
Monday Night
 
 Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.
Tuesday
 
 A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 91.
Tuesday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Wednesday Night
 
 A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Thursday
 
 A 20 percent chance of showers. Partly sunny, with a high near 95.

 

Forecast from NOAA-NWS for Altus OK.