Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

Mount Shasta (KMHS)

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

Clear

35°F

2°C

Humidity 78%
Wind Speed NE 3 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 18 Jan 08:56 PM PST
Extended Forecast for

15 Miles ENE Weed CA

  • Tonight

    Tonight: Clear, with a low around 39. Northeast wind around 7 mph.

    Low: 39 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 46. East northeast wind 7 to 9 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. East northeast wind 6 to 10 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 39. Northeast wind around 7 mph.
M.L.King Day
Sunny, with a high near 46. East northeast wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 38. East northeast wind 6 to 10 mph.
Tuesday
Mostly sunny, with a high near 49. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 38. South southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 37.
Thursday
Sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 28.
Saturday
A slight chance of snow. Mostly sunny, with a high near 37.
Saturday Night
A slight chance of snow. Partly cloudy, with a low around 29.
Sunday
A slight chance of snow. Mostly sunny, with a high near 39.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ENE Weed CA
 41.53°N 122.15°W (Elev. 7933 ft)
6:46 pm PST Jan 18, 2026
9pm PST Jan 18, 2026-6pm PST Jan 25, 2026
 
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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