National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Mount Shasta (KMHS)

Lat: 41.31494°NLon: 122.31702°WElev: 3540.0ft.

Clear

70°F

21°C

Humidity 34%
Wind Speed NNW 8 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 21 Mar 03:56 PM PDT
Extended Forecast for

Mt Shasta CA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 69. North northwest wind 6 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South southwest wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. North northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 69. North northwest wind 6 to 9 mph.
Sunday Night
Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 70. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 42. South southwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly sunny, with a high near 68.
Wednesday Night
Partly cloudy, with a low around 35.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mt Shasta CA
 41.32°N 122.33°W (Elev. 3547 ft)
Last Update:
3:21 pm PDT Mar 21, 2026
Forecast Valid:
4pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation