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.

Overcast

61°F

16°C

Humidity 44%
Wind Speed SSE 19 MPH
Barometer 29.77 in (1008.13 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 31 Mar 04:20 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: Rain.  Snow level 7000 feet. High near 51. Southwest wind around 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Tonight

    Tonight: Rain, mainly between 3am and 5am.  Snow level 6900 feet lowering to 5900 feet after midnight . Low around 38. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%.

    Low: 38 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain before 5pm, then rain, possibly mixed with snow showers. Some thunder is also possible.  Snow level 6000 feet. High near 45. Windy, with a southwest wind 18 to 23 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 45 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Windy. Rain
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm. Some thunder is also possible.  Low around 27. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 27 °F

    Rain/Snow and
    Breezy then
    Snow

  • Thursday

    Thursday: Snow likely, mainly before 11am.  Partly sunny, with a high near 42. West wind 11 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely

  • Thursday Night

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

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

This Afternoon
Rain. Snow level 7000 feet. High near 51. Southwest wind around 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tonight
Rain, mainly between 3am and 5am. Snow level 6900 feet lowering to 5900 feet after midnight . Low around 38. Southwest wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Rain before 5pm, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6000 feet. High near 45. Windy, with a southwest wind 18 to 23 mph increasing to 25 to 30 mph in the morning. Winds could gust as high as 45 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 27. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow likely, mainly before 11am. Partly sunny, with a high near 42. West wind 11 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. 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 57.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
A chance of rain. Snow level 7200 feet. Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
12:22 pm PDT Mar 31, 2026
4pm PDT Mar 31, 2026-6pm PDT Apr 7, 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