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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

48°F

9°C

Humidity 61%
Wind Speed NNW 4 MPH
Barometer 30.4 in (1029.46 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 28 Jan 02:00 PM PST
Extended Forecast for

Montague CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. South southeast wind around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 30. Light and variable wind.

    Low: 30 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Partly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Southeast wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 59. Light and variable wind.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. South southeast wind around 5 mph.
Tonight
Increasing clouds, with a low around 30. Light and variable wind.
Thursday
Partly sunny, with a high near 55. Calm wind.
Thursday Night
Mostly cloudy, with a low around 33. Southeast wind 3 to 5 mph.
Friday
Mostly cloudy, with a high near 59. Light and variable wind.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 59.
Saturday Night
Mostly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
2:21 pm PST Jan 28, 2026
Forecast Valid:
2pm PST Jan 28, 2026-6pm PST Feb 3, 2026
 
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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