Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Partly Cloudy

43°F

6°C

Humidity 100%
Wind Speed N 3 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 31 Mar 04:53 AM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • Today

    Today: Showers, mainly after 8am.  Snow level 6300 feet rising to 6800 feet in the afternoon. High near 51. Light west southwest wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 80%.

    High: 51 °F

    Showers

  • Tonight

    Tonight: Showers before 11pm, then rain likely, mainly after 2am.  Snow level 6600 feet lowering to 5900 feet after midnight . Low around 38. Southwest wind 6 to 10 mph.  Chance of precipitation is 80%.

    Low: 38 °F

    Showers

  • Wednesday

    Wednesday: Rain before 2pm, then showers between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm.  Snow level 5900 feet. High near 45. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 45 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain showers before 8pm, then snow showers. Some thunder is also possible.  Low around 28. West southwest wind 15 to 21 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Showers
    Likely

  • Thursday

    Thursday: Snow showers likely.  Mostly cloudy, with a high near 42. West northwest wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Showers, mainly after 8am. Snow level 6300 feet rising to 6800 feet in the afternoon. High near 51. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 80%.
Tonight
Showers before 11pm, then rain likely, mainly after 2am. Snow level 6600 feet lowering to 5900 feet after midnight . Low around 38. Southwest wind 6 to 10 mph. Chance of precipitation is 80%.
Wednesday
Rain before 2pm, then showers between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. Snow level 5900 feet. High near 45. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain showers before 8pm, then snow showers. Some thunder is also possible. Low around 28. West southwest wind 15 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow showers likely. Mostly cloudy, with a high near 42. West northwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 26.
Friday
Sunny, with a high near 55.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
4:41 am PDT Mar 31, 2026
5am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

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