National Weather Service Forecast for: Alturas CA
Issued by: National Weather Service Medford, OR
Updated: 4:40 pm PDT Jun 19, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of rain between midnight and 3am. Mostly cloudy, with a low around 48. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Chance
Showers

 Saturday

Saturday: A slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: Mostly clear, with a low around 45. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 85. Light and variable wind.
Sunny

 Sunday
Night
Sunday Night: Clear, with a low around 47. Northwest wind 5 to 7 mph becoming calm in the evening.
Clear

 Monday

Monday: Sunny, with a high near 92.
Sunny

 Monday
Night
Monday Night: Clear, with a low around 50.
Clear

 Tuesday

Tuesday: Sunny, with a high near 95.
Sunny

 Tuesday
Night
Tuesday Night: Clear, with a low around 51.
Clear
Lo 48 °F Hi 81 °F Lo 45 °F Hi 85 °F Lo 47 °F Hi 92 °F Lo 50 °F Hi 95 °F Lo 51 °F

 

Tonight
 
 A chance of showers and thunderstorms before midnight, then a slight chance of rain between midnight and 3am. Mostly cloudy, with a low around 48. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
 
 A slight chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of rain and thunderstorms after 5pm. Mostly sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 20%.
Saturday Night
 
 Mostly clear, with a low around 45. West northwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 21 mph.
Sunday
 
 Sunny, with a high near 85. Light and variable wind.
Sunday Night
 
 Clear, with a low around 47. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
 
 Sunny, with a high near 92.
Monday Night
 
 Clear, with a low around 50.
Tuesday
 
 Sunny, with a high near 95.
Tuesday Night
 
 Clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 92.
Wednesday Night
 
 Clear, with a low around 50.
Thursday
 
 Sunny, with a high near 92.
Thursday Night
 
 Mostly clear, with a low around 49.
Friday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Alturas CA.