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

16 Miles NNE Weed CA

  • Today

    Today: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Snow level 7400 feet. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 9 mph in the morning.  Chance of precipitation is 60%.

    High: 53 °F

    Showers
    Likely

  • Tonight

    Tonight: Rain showers before midnight, then a chance of rain and snow showers between midnight and 1am, then a slight chance of rain showers after 1am.  Snow level 6600 feet lowering to 6000 feet after midnight . Low around 36. West southwest wind 3 to 6 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers then
    Chance
    Rain/Snow

  • Monday

    Monday: A slight chance of rain and snow showers before 7am, then a slight chance of rain showers between 7am and 10am.  Snow level 6100 feet. Mostly sunny, with a high near 50. West wind 5 to 7 mph.  Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South southeast wind 3 to 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Southwest wind 6 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 10pm.  Snow level 6600 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain and snow likely, mainly before 4pm.  Snow level 5200 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 46 °F

    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 30.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Snow level 7400 feet. Mostly cloudy, with a high near 53. Light and variable wind becoming southwest 5 to 9 mph in the morning. Chance of precipitation is 60%.
Tonight
Rain showers before midnight, then a chance of rain and snow showers between midnight and 1am, then a slight chance of rain showers after 1am. Snow level 6600 feet lowering to 6000 feet after midnight . Low around 36. West southwest wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
A slight chance of rain and snow showers before 7am, then a slight chance of rain showers between 7am and 10am. Snow level 6100 feet. Mostly sunny, with a high near 50. West wind 5 to 7 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 34. South southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 55. Southwest wind 6 to 8 mph.
Tuesday Night
A 20 percent chance of rain after 10pm. Snow level 6600 feet. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow likely, mainly before 4pm. Snow level 5200 feet. Mostly cloudy, with a high near 46. Chance of precipitation is 70%. 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 30.
Thursday
Partly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
7:47 am PST Mar 1, 2026
7am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database