Arctic Front Brings Winter Weather and Colder Temperatures to the Eastern U.S.

A series of cold fronts will bring heavy lake effect snow to the northern Great Lakes. The fronts will merge over the Ohio Valley and bring colder temperatures east of the Mississippi River later today into the end of the week. Additionally, wintry weather will develop over the Ohio Valley, Appalachians, and Northeast as rain switches over to snow tonight into Thursday morning. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Clear

50°F

10°C

Humidity 53%
Wind Speed S 3 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 14 Jan 02:20 PM PST
Extended Forecast for

15 Miles ESE Happy Camp CA

Freezing Fog Advisory January 14, 10:00pm until January 15, 12:00pm
Click here for hazard details and duration
Freezing Fog Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 50. East wind around 6 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 44. Southeast wind around 9 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 52. Southeast wind 8 to 10 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. South wind around 8 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 49. Southeast wind 7 to 9 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 42.

    Low: 42 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 50. East wind around 6 mph.
Tonight
Mostly clear, with a low around 44. Southeast wind around 9 mph.
Thursday
Sunny, with a high near 52. Southeast wind 8 to 10 mph.
Thursday Night
Clear, with a low around 43. South wind around 8 mph.
Friday
Sunny, with a high near 49. Southeast wind 7 to 9 mph.
Friday Night
Clear, with a low around 42.
Saturday
Sunny, with a high near 51.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 39.
M.L.King Day
Sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
2:21 pm PST Jan 14, 2026
2pm PST Jan 14, 2026-6pm PST Jan 20, 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