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

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Mount Shasta (KMHS)

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

Partly Cloudy

77°F

25°C

Humidity 48%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Jun 01:56 PM PDT
Extended Forecast for

Mt Shasta CA

Heat Advisory June 22, 11:00am until June 23, 11:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. Light south southeast wind. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 50. Light north northwest wind.

    Low: 50 °F

    Chance
    Showers then
    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 53. North northwest wind 3 to 5 mph.

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 57.

    Low: 57 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 79. Light south southeast wind. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 50. Light north northwest wind.
Sunday
Sunny, with a high near 84. Calm wind becoming northwest around 5 mph.
Sunday Night
Clear, with a low around 53. North northwest wind 3 to 5 mph.
Monday
Sunny, with a high near 90. Light and variable wind.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mt Shasta CA
 41.34°N 122.34°W (Elev. 3911 ft)
Last Update:
12:36 pm PDT Jun 20, 2026
Forecast Valid:
2pm PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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