Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

46°F

8°C

Humidity 70%
Wind Speed S 8 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 14 Mar 05:35 AM PDT
Extended Forecast for

Montague CA

  • Overnight

    Overnight: A 30 percent chance of rain.  Mostly cloudy, with a steady temperature around 41. South southeast wind around 5 mph.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 62 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. North northeast wind 10 to 15 mph becoming light north northwest  in the evening. Winds could gust as high as 18 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of rain. Mostly cloudy, with a steady temperature around 41. South southeast wind around 5 mph.
Saturday
A 30 percent chance of rain, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 62. Light and variable wind becoming west northwest 9 to 14 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 30. North northeast wind 10 to 15 mph becoming light north northwest in the evening. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 67. Calm wind.
Sunday Night
Partly cloudy, with a low around 40. Calm wind.
Monday
Mostly sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
4:41 am PDT Mar 14, 2026
5am PDT Mar 14, 2026-6pm PDT Mar 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