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

55°F

13°C

Humidity 52%
Wind Speed NA 3 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 21 Mar 06:56 AM PDT
Extended Forecast for

Weed CA

  • Today

    Today: Mostly sunny, with a high near 66. Light north northwest wind increasing to 5 to 9 mph in the morning.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North wind 5 to 9 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. North northwest wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain. Partly sunny, with a high near 66.

    High: 66 °F

    Slight 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 63.

    High: 63 °F

    Slight Chance
    Rain then
    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Light north northwest wind increasing to 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 35. North wind 5 to 9 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 67. Calm wind becoming northwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 40. North northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 69. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 66.
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 63.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Weed CA
 41.42°N 122.39°W (Elev. 3560 ft)
Last Update:
4:41 am PDT Mar 21, 2026
Forecast Valid:
7am PDT Mar 21, 2026-6pm PDT Mar 27, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation