Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Partly Cloudy

53°F

12°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 01 Mar 11:53 AM PST
Extended Forecast for

9 Miles NE Montague CA

  • This Afternoon

    This Afternoon: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 58. Southwest wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 10pm.  Patchy fog after 1am. Low around 40. Northwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Showers then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 55. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 4am.  Mostly cloudy, with a low around 38. Chance of precipitation is 60%.

    Low: 38 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday

    Wednesday: Rain likely, mainly before 10am.  Snow level 5100 feet. Partly sunny, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 58. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers, mainly before 10pm. Patchy fog after 1am. Low around 40. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 55. Light and variable wind becoming west around 5 mph in the afternoon.
Monday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 59. Calm wind becoming west southwest around 5 mph in the afternoon.
Tuesday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 38. Chance of precipitation is 60%.
Wednesday
Rain likely, mainly before 10am. Snow level 5100 feet. Partly sunny, with a high near 51. Chance of precipitation is 60%.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NE Montague CA
 41.82°N 122.41°W (Elev. 2746 ft)
9:41 am PST Mar 1, 2026
12pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

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