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.

Partly Cloudy

55°F

13°C

Humidity 50%
Wind Speed NNW 18 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 26 May 06:30 PM PDT
Extended Forecast for

Etna CA

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Snow level 6300 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 41. North northwest wind 5 to 10 mph.  Chance of precipitation is 60%.

    Low: 41 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain, mainly before 8am.  High near 66. North wind around 6 mph becoming east southeast in the afternoon.  Chance of precipitation is 80%.

    High: 66 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 46. North northeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 70. Light and variable wind.  Chance of precipitation is 90%. 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 49. Light west southwest wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers then
    Rain Likely

  • Friday

    Friday: A 40 percent chance of rain.  Partly sunny, with a high near 70.

    High: 70 °F

    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain before 11pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Snow level 6300 feet lowering to 5800 feet after midnight . Mostly cloudy, with a low around 41. North northwest wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday
Rain, mainly before 8am. High near 66. North wind around 6 mph becoming east southeast in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Rain, mainly before 11pm. Low around 46. North northeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 70. Light and variable wind. Chance of precipitation is 90%. 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 49. Light west southwest wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 70.
Friday Night
A 20 percent chance of rain before 11pm. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 75.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 84.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Etna CA
 41.46°N 122.9°W (Elev. 3061 ft)
4:41 pm PDT May 26, 2026
6pm 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