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

Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today 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. Read More >

Hazardous Weather Conditions

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

50°F

10°C

Humidity 30%
Wind Speed NNW 14 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 16 Apr 02:53 PM PDT
Extended Forecast for

3 Miles SSW 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, clear, with a low around 29. North wind 5 to 9 mph becoming calm in the evening.

    Low: 29 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind.

    High: 64 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. South southeast wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 65.

    High: 65 °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: Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.

    High: 59 °F

    Rain Likely

  • 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, clear, with a low around 29. North wind 5 to 9 mph becoming calm in the evening.
Friday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 64. Calm wind.
Friday Night
Mostly clear, with a low around 33. Calm wind.
Saturday
Mostly sunny, with a high near 71. Calm wind.
Saturday Night
Mostly cloudy, with a low around 41. South southeast wind around 6 mph.
Sunday
A 30 percent chance of rain after 11am. Mostly cloudy, with a high near 65.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Monday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 59.
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 59.
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 chance of rain. Snow level 5200 feet rising to 5900 feet in the afternoon. Partly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
Last Update:
11:52 am PDT Apr 16, 2026
Forecast Valid:
3pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation