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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

48°F

9°C

Humidity 66%
Wind Speed SSE 12 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 04:00 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Snow level 6800 feet. Partly sunny, with a high near 54. South southeast wind around 13 mph, with gusts as high as 20 mph.

    High: 54 °F

    Chance Rain

  • Tonight

    Tonight: Rain. Snow level 6800 feet lowering to 5700 feet after midnight . Low around 37. South southeast wind around 6 mph becoming east northeast after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain

  • Tuesday

    Tuesday: Rain and snow likely before 9am, then rain. Some thunder is also possible. Snow level 5800 feet. High near 49. South southeast wind 5 to 10 mph becoming north northwest in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 49 °F

    Rain/Snow
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then rain, possibly mixed with snow. Some thunder is also possible. Snow level 6000 feet lowering to 4800 feet after midnight . Low around 34. West southwest wind 5 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday

    Wednesday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 47. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 47 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 34.

    Low: 34 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Snow level 6800 feet. Partly sunny, with a high near 54. South southeast wind around 13 mph, with gusts as high as 20 mph.
Tonight
Rain. Snow level 6800 feet lowering to 5700 feet after midnight . Low around 37. South southeast wind around 6 mph becoming east northeast after midnight. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and snow likely before 9am, then rain. Some thunder is also possible. Snow level 5800 feet. High near 49. South southeast wind 5 to 10 mph becoming north northwest in the morning. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain before 8pm, then rain, possibly mixed with snow. Some thunder is also possible. Snow level 6000 feet lowering to 4800 feet after midnight . Low around 34. West southwest wind 5 to 9 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Snow level rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 47. West southwest wind 9 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Sunny, with a high near 57.
Thursday Night
Clear, with a low around 34.
Friday
Sunny, with a high near 62.
Friday Night
Clear, with a low around 37.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 38.
Sunday
A slight chance of rain. Snow level 6200 feet rising to 6900 feet in the afternoon. Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 39.
Monday
A chance of rain. Snow level 6400 feet rising to 7000 feet in the afternoon. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
Last Update:
2:38 pm PDT Apr 20, 2026
Forecast Valid:
4pm PDT Apr 20, 2026-6pm PDT Apr 27, 2026
 
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