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

46°F

8°C

Humidity 81%
Wind Speed SE 6 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 01 Apr 01:00 AM PDT
Extended Forecast for

4 Miles NE Montague CA

Wind Advisory April 1, 07:00am until April 1, 05:00pm
Click here for hazard details and duration
Wind Advisory
  • Overnight

    Overnight: Rain likely, mainly after 2am.  Mostly cloudy, with a low around 38. South wind around 6 mph.  Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly between 10am and 5pm, then showers and possibly a thunderstorm after 5pm.  Snow level 5800 feet lowering to 5300 feet in the afternoon . High near 54. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 mph.  Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 54 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 1am. Some thunder is also possible.  Snow level 3900 feet lowering to 2600 feet after midnight . Low around 28. West southwest wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow

  • Thursday

    Thursday: A chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Snow level rising to 3900 feet in the afternoon. Partly sunny, with a high near 52. South southwest wind 6 to 8 mph becoming west northwest in the afternoon.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 23. North northwest wind 6 to 11 mph becoming light and variable  in the evening.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 30.

    Low: 30 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Rain likely, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 6 mph. Chance of precipitation is 70%.
Wednesday
Rain, mainly between 10am and 5pm, then showers and possibly a thunderstorm after 5pm. Snow level 5800 feet lowering to 5300 feet in the afternoon . High near 54. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 33 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 and snow, becoming all snow after 1am. Some thunder is also possible. Snow level 3900 feet lowering to 2600 feet after midnight . Low around 28. West southwest wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Snow level rising to 3900 feet in the afternoon. Partly sunny, with a high near 52. South southwest wind 6 to 8 mph becoming west northwest in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday Night
Mostly clear, with a low around 23. North northwest wind 6 to 11 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 30.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 70.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NE Montague CA
 41.77°N 122.48°W (Elev. 2612 ft)
1:01 am PDT Apr 1, 2026
1am PDT Apr 1, 2026-6pm PDT Apr 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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