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

25°F

-4°C

Humidity 79%
Wind Speed E 4 MPH
Barometer 30.26 in (1024.72 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 17 Apr 03:20 AM PDT
Extended Forecast for

5 Miles W Fort Jones CA

Freeze Warning April 17, 03:39am until April 17, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning April 17, 03:39am until April 17, 09:00am

    NOW until 9:00am Fri

    Freeze Warning

  • Overnight

    Low: 26 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am. Otherwise, sunny, with a high near 61. Light and variable wind.

    High: 61 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. North northwest wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Southwest wind 5 to 9 mph becoming light south southwest in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Snow level 5800 feet. Mostly cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

Detailed Forecast

Overnight
Widespread frost. Otherwise, clear, with a low around 26. Calm wind.
Friday
Widespread frost before 11am. Otherwise, sunny, with a high near 61. Light and variable wind.
Friday Night
Partly cloudy, with a low around 36. North northwest wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 69. Calm wind becoming south southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43. Southwest wind 5 to 9 mph becoming light south southwest in the evening.
Sunday
Partly sunny, with a high near 65.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 42.
Monday
Rain likely, mainly after 11am. Snow level 5800 feet. Mostly cloudy, with a high near 56.
Monday Night
A chance of rain, mainly before 11pm. Snow level 6000 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Snow level 5300 feet. Partly sunny, with a high near 55.
Tuesday Night
A chance of rain. Snow level 5700 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
A chance of rain. Snow level 5000 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
Last Update:
2:20 am PDT Apr 17, 2026
Forecast Valid:
3am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation