National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

54°F

12°C

Humidity 50%
Wind Speed WNW 13 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 25 May 09:20 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: A 20 percent chance of rain between 11pm and midnight. Snow level 7100 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 40. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 33 mph.

    Low: 40 °F

    Slight Chance
    Rain and
    Breezy then
    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then a chance of rain and thunderstorms after 5pm. Snow level 4400 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 61. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    High: 61 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of rain before 10pm, then a slight chance of rain after 11pm. Snow level 6200 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 40. North northwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain. Snow level 5500 feet rising to 7800 feet in the afternoon. Mostly cloudy, with a high near 63. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 63 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. North wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain Likely
    then Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers

  • Friday

    Friday: A chance of rain, mainly before 11am. Partly sunny, with a high near 73.

    High: 73 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain between 11pm and midnight. Snow level 7100 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 40. Breezy, with a northwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 33 mph.
Tuesday
A slight chance of rain before 11am, then a chance of showers and thunderstorms between 11am and 5pm, then a chance of rain and thunderstorms after 5pm. Snow level 4400 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 61. Light and variable wind becoming northwest 9 to 14 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of rain before 10pm, then a slight chance of rain after 11pm. Snow level 6200 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 40. North northwest wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of rain. Snow level 5500 feet rising to 7800 feet in the afternoon. Mostly cloudy, with a high near 63. North northwest wind 6 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 42. North wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then rain likely after 11pm. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of rain, mainly before 11am. Partly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 75.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
Last Update:
7:01 pm PDT May 25, 2026
Forecast Valid:
9pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation