Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Mostly Cloudy

55°F

13°C

Humidity 71%
Wind Speed N 5 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 30 Mar 05:35 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: A 30 percent chance of rain.  Snow level 7700 feet. Mostly cloudy, with a steady temperature around 53. West wind around 7 mph.

    High: 53 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain before midnight, then a chance of rain after 4am.  Snow level 7700 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 40. West southwest wind 3 to 7 mph.  Chance of precipitation is 40%.

    Low: 40 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 2pm.  Snow level 6600 feet. Partly sunny, with a high near 52. Light west southwest wind becoming southwest 5 to 10 mph in the morning.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain likely.  Snow level 6700 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 36. Southwest wind 6 to 10 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain.  Snow level 5500 feet. High near 40. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 40 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 8pm.  Low around 28. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 28 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow likely.  Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Snow Likely

  • Thursday Night

    Thursday Night: A slight chance of snow before 11pm.  Mostly clear, with a low around 26.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Snow level 7700 feet. Mostly cloudy, with a steady temperature around 53. West wind around 7 mph.
Tonight
A chance of rain before midnight, then a chance of rain after 4am. Snow level 7700 feet lowering to 6900 feet after midnight . Mostly cloudy, with a low around 40. West southwest wind 3 to 7 mph. Chance of precipitation is 40%.
Tuesday
Rain likely, mainly after 2pm. Snow level 6600 feet. Partly sunny, with a high near 52. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain likely. Snow level 6700 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 36. Southwest wind 6 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Snow level 5500 feet. High near 40. Breezy, with a south southwest wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain and snow, becoming all snow after 8pm. Low around 28. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Thursday
Snow likely. Mostly cloudy, with a high near 42. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday Night
A slight chance of snow before 11pm. Mostly clear, with a low around 26.
Friday
Sunny, with a high near 56.
Friday Night
Clear, with a low around 34.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
4:41 pm PDT Mar 30, 2026
5pm PDT Mar 30, 2026-6pm PDT Apr 6, 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