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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

45°F

7°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 15 Nov 09:35 AM PST
Extended Forecast for

15 Miles NE Weed CA

  • Today

    Today: Increasing clouds, with a high near 57. East northeast wind 5 to 8 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37. Northeast wind 5 to 9 mph becoming light north northwest after midnight.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely, mainly after 10am. Snow level 8100 feet lowering to 7200 feet in the afternoon . Mostly cloudy, with a high near 47. Northwest wind 6 to 13 mph becoming south in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Snow level 6900 feet lowering to 6000 feet after midnight . Low around 34. West southwest wind 14 to 16 mph becoming south in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain

  • Monday

    Monday: Rain and snow likely before 10am, then a chance of rain. Snow level 5600 feet. Mostly cloudy, with a high near 43. South wind around 9 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow between 10am and 1pm, then a chance of rain. Snow level rising to 6100 feet in the afternoon. Mostly sunny, with a high near 44.

    High: 44 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Increasing clouds, with a high near 57. East northeast wind 5 to 8 mph.
Tonight
A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37. Northeast wind 5 to 9 mph becoming light north northwest after midnight.
Sunday
Rain likely, mainly after 10am. Snow level 8100 feet lowering to 7200 feet in the afternoon . Mostly cloudy, with a high near 47. Northwest wind 6 to 13 mph becoming south in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Snow level 6900 feet lowering to 6000 feet after midnight . Low around 34. West southwest wind 14 to 16 mph becoming south in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain and snow likely before 10am, then a chance of rain. Snow level 5600 feet. Mostly cloudy, with a high near 43. South wind around 9 mph becoming west southwest in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Partly sunny, with a high near 43.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
A slight chance of rain and snow between 10am and 1pm, then a chance of rain. Snow level rising to 6100 feet in the afternoon. Mostly sunny, with a high near 44.
Wednesday Night
A chance of rain before 10pm, then rain and snow likely. Snow level 5900 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 30.
Thursday
Rain and snow likely. Snow level 5100 feet. Mostly cloudy, with a high near 39.
Thursday Night
A chance of rain and snow. Snow level 5200 feet. Mostly cloudy, with a low around 27.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Weed CA
 41.59°N 122.19°W (Elev. 4806 ft)
Last Update:
9:40 am PST Nov 15, 2025
Forecast Valid:
9am PST Nov 15, 2025-6pm PST Nov 21, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation