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

60°F

16°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 Mar 08:56 AM PDT
Extended Forecast for

Mt Shasta CA

  • Today

    Today: Sunny, with a high near 70. Northwest wind 9 to 11 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Northwest wind 6 to 9 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 67.

    High: 67 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain before 11am. Partly sunny, with a high near 65.

    High: 65 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 70. Northwest wind 9 to 11 mph.
Tonight
Partly cloudy, with a low around 34. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 71. Northwest wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain, mainly after 11am. Partly sunny, with a high near 67.
Tuesday Night
A slight chance of rain. Mostly cloudy, with a low around 41.
Wednesday
A slight chance of rain before 11am. Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 69.
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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:
4:41 am PDT Mar 21, 2026
Forecast Valid:
9am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation