Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Hazardous Weather Conditions

Current conditions at

Alturas (KAAT)

Lat: 41.48362° N Lon: 120.5615° W Elev: 4383.0 ft.

Clear

91°F

33°C

Humidity 16%
Wind Speed NNE 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Jul 07:30 PM PDT
Detailed forecast for

Modoc County

Tonight
Mostly clear. Areas of smoke after midnight. Lows in the lower to mid 60s. North winds 5 to 10 mph.
Sunday
Sunny. Highs 90 to 100. Northeast winds around 5 mph shifting to the northwest late in the afternoon.
Sunday Night
Partly cloudy in the evening then clearing. Areas of smoke. Lows in the lower to mid 60s. North winds 5 to 10 mph.
Monday
Sunny. Highs 90 to 100. North winds 5 to 10 mph.
Monday Night
Mostly clear. Lows around 60. Northwest winds 5 to 10 mph.
Tuesday
Sunny. Highs in the lower to mid 90s.
Tuesday Night
Mostly clear. Lows in the mid 50s to lower 60s.
Wednesday Through Thursday
Clear. Highs in the mid 80s to mid 90s. Lows in the mid 50s to lower 60s.
Thursday Night
Mostly clear. Lows in the lower to mid 50s.
Friday
Sunny. Highs in the mid 80s to lower 90s.
Friday Night
Mostly clear. Lows in the lower to mid 50s.
Saturday
Sunny. Highs in the mid 80s to mid 90s.



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237 PM PDT Sat Jul 12 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database