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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

40°F

4°C

Humidity 64%
Wind Speed N 0 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 17 Mar 02:56 AM PDT
Extended Forecast for

Mt Shasta CA

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 46. North wind around 6 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. North wind 5 to 7 mph becoming light and variable.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 44. East wind around 6 mph.

    Low: 44 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. Southeast wind 5 to 9 mph becoming calm in the evening.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 46. North wind around 6 mph.
Tuesday
Sunny, with a high near 78. North wind 5 to 7 mph becoming light and variable.
Tuesday Night
Clear, with a low around 44. East wind around 6 mph.
Wednesday
Sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Clear, with a low around 43. Southeast wind 5 to 9 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 64.
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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 am PDT Mar 17, 2026
Forecast Valid:
3am PDT Mar 17, 2026-6pm PDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation