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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

45°F

7°C

Humidity 39%
Wind Speed NNW 9 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 16 Apr 07:35 PM PDT
Extended Forecast for

5 Miles W Fort Jones CA

Freeze Warning April 17, 12:00am until April 17, 11:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost after 11pm. Otherwise, mostly clear, with a low around 30. North wind 5 to 7 mph becoming calm in the evening.

    Low: 30 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 61. Calm wind.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Calm wind.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. South southwest wind 3 to 5 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, mainly before 11pm. Snow level 6100 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 30. North wind 5 to 7 mph becoming calm in the evening.
Friday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 61. Calm wind.
Friday Night
Mostly clear, with a low around 35. Light and variable wind.
Saturday
Mostly sunny, with a high near 69. Calm wind.
Saturday Night
Mostly cloudy, with a low around 41. South southwest wind 3 to 5 mph.
Sunday
A 30 percent chance of rain, mainly after 11am. Mostly cloudy, with a high near 63.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Monday
A chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 56.
Monday Night
A chance of rain, mainly before 11pm. Snow level 6100 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
A chance of rain, mainly after 11am. Snow level 5600 feet. Partly sunny, with a high near 57.
Tuesday Night
A chance of rain. Snow level 6000 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 38.
Wednesday
A slight chance of rain. Snow level 5200 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 56.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 60.
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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 Apr 16, 2026
Forecast Valid:
7pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation