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

Significant Heat in the Northwest U.S.; Tropical Rainfall Potential in the Southwest U.S.

A significant late season heat wave continues in the interior Pacific Northwest for at least one more day before easing somewhat Friday into Saturday. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring a marginal to slight risk of excessive rainfall across the southwest U.S. through Saturday which may bring areas of flooding. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

59°F

15°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 04 Sep 07:56 AM PDT
Extended Forecast for

10 Miles WSW Weed CA

  • Today

    Today: A slight chance of thunderstorms after 5pm. Widespread haze after 2pm. Patchy smoke before 11am. Mostly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 10%.

    High: 70 °F

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Widespread haze before 8pm. Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 68. South wind 6 to 11 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 52. South wind 5 to 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 65. South wind 6 to 9 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers before 11pm. Snow level 10800 feet lowering to 10000 feet after midnight . Mostly cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Snow level 9400 feet. Partly sunny, with a high near 51.

    High: 51 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of thunderstorms after 5pm. Widespread haze after 2pm. Patchy smoke before 11am. Mostly sunny, with a high near 70. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 10%.
Tonight
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 11pm. Widespread haze before 8pm. Partly cloudy, with a low around 55. West wind 5 to 7 mph becoming south southeast in the evening. Chance of precipitation is 20%.
Friday
Sunny, with a high near 68. South wind 6 to 11 mph.
Friday Night
Partly cloudy, with a low around 52. South wind 5 to 9 mph.
Saturday
Sunny, with a high near 65. South wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 58.
Sunday Night
A slight chance of showers before 11pm. Snow level 10800 feet lowering to 10000 feet after midnight . Mostly cloudy, with a low around 48.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Snow level 9400 feet. Partly sunny, with a high near 51.
Monday Night
A chance of showers, mainly before 11pm. Snow level 10000 feet lowering to 9500 feet after midnight . Mostly cloudy, with a low around 44.
Tuesday
Showers likely. Snow level 9300 feet. Partly sunny, with a high near 49.
Tuesday Night
Showers likely. Snow level 9500 feet. Mostly cloudy, with a low around 41.
Wednesday
Showers likely. Snow level 9100 feet. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles WSW Weed CA
 41.38°N 122.55°W (Elev. 7001 ft)
Last Update:
4:40 am PDT Sep 4, 2025
Forecast Valid:
8am PDT Sep 4, 2025-6pm PDT Sep 10, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation