Areas of Excessive Rainfall and Severe Thunderstorms; Fire Weather Concerns in the Northern Plains and Four Corners Region

Widespread showers and thunderstorms may bring areas of flash flooding across much of the Southern Plains into the Gulf Coast region and the upper Ohio River Valley into the Mid-Atlantic. A large Pacific storm will bring widespread rain, gusty winds, and mountain snow to California and the Great Basin. Fire weather concerns expected in the Northern Plains and the Four Corners region. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Rain

46°F

8°C

Humidity 87%
Wind Speed N 5 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 26 May 11:15 PM PDT
Extended Forecast for

Montague CA

  • Tonight

    Tonight: A chance of rain before 1am, then rain after 3am.  Low around 41. Northwest wind around 9 mph.  Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm.  High near 67. North wind 5 to 9 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Rain and thunderstorms likely before 9pm, then a slight chance of rain between 9pm and 11pm.  Mostly cloudy, with a low around 45. East southeast wind 10 to 15 mph becoming light and variable  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain, then showers and possibly a thunderstorm after 11am.  High near 70. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm.  Low around 48. Light west wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Friday

    Friday: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 69. Chance of precipitation is 60%.

    High: 69 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain before 1am, then rain after 3am. Low around 41. Northwest wind around 9 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 67. North wind 5 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and thunderstorms likely before 9pm, then a slight chance of rain between 9pm and 11pm. Mostly cloudy, with a low around 45. East southeast wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of rain, then showers and possibly a thunderstorm after 11am. High near 70. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then rain, mainly after 8pm. Low around 48. Light west wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 76.
Sunday Night
Clear, with a low around 42.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Montague CA
 41.72°N 122.53°W (Elev. 2598 ft)
11:26 pm PDT May 26, 2026
11pm PDT May 26, 2026-6pm PDT Jun 2, 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