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

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

46°F

8°C

Humidity 93%
Wind Speed NNE 5 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 30 Mar 09:00 PM PDT
Extended Forecast for

5 Miles W Fort Jones CA

  • Tonight

    Tonight: A slight chance of rain between 10pm and 1am. Mostly cloudy, with a low around 40. West northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of rain before 10am, then a chance of rain after 11am. Snow level 5800 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 50%.

    High: 58 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Snow level 6300 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain. Snow level 5200 feet. High near 43. South southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 43 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Snow level 4700 feet lowering to 3000 feet after midnight . Low around 30. West southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow

  • Thursday

    Thursday: Snow likely before 2pm, then a chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 48 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain between 10pm and 1am. Mostly cloudy, with a low around 40. West northwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 20%.
Tuesday
A slight chance of rain before 10am, then a chance of rain after 11am. Snow level 5800 feet rising to 6400 feet in the afternoon. Partly sunny, with a high near 58. Calm wind becoming southwest 5 to 8 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Rain likely, mainly after 11pm. Snow level 6300 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 40. Southwest wind 5 to 8 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. Snow level 5200 feet. High near 43. South southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Rain before 11pm, then rain and snow likely between 11pm and 2am, then snow likely after 2am. Snow level 4700 feet lowering to 3000 feet after midnight . Low around 30. West southwest wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow likely before 2pm, then a chance of rain and snow. Partly sunny, with a high near 48. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
Last Update:
4:41 pm PDT Mar 30, 2026
Forecast Valid:
9pm PDT Mar 30, 2026-6pm PDT Apr 6, 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