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.

Fog

46°F

8°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 45°F (7°C)
Visibility -0.25 mi
Last update 01 Mar 07:37 AM PST
Extended Forecast for

15 Miles NE Weed CA

  • Today

    Today: Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm.  Snow level 7400 feet. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am.  Snow level 6600 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 34. Southwest wind 3 to 7 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 7am, then a chance of rain.  Snow level 6100 feet. Mostly sunny, with a high near 48. West southwest wind 5 to 7 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southeast wind 3 to 5 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. Southwest wind 6 to 8 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Rain, mainly after 4am.  Snow level 6700 feet. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain before 1pm, then rain and snow likely.  Snow level 5300 feet. High near 45. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 45 °F

    Rain then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm.  Mostly cloudy, with a low around 27.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

Detailed Forecast

Today
Rain and thunderstorms likely before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then rain likely and possibly a thunderstorm after 4pm. Snow level 7400 feet. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 60%.
Tonight
Rain likely before 10pm, then a chance of rain and snow between 10pm and 1am, then a chance of rain after 1am. Snow level 6600 feet lowering to 6000 feet after midnight . Mostly cloudy, with a low around 34. Southwest wind 3 to 7 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 7am, then a chance of rain. Snow level 6100 feet. Mostly sunny, with a high near 48. West southwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 32. South southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind 6 to 8 mph.
Tuesday Night
Rain, mainly after 4am. Snow level 6700 feet. Low around 36. Chance of precipitation is 80%.
Wednesday
Rain before 1pm, then rain and snow likely. Snow level 5300 feet. High near 45. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
A slight chance of rain and snow before 7pm, then a slight chance of snow between 7pm and 10pm. Mostly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Mostly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Weed CA
 41.59°N 122.19°W (Elev. 4806 ft)
4:36 am PST Mar 1, 2026
7am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

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