Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

46°F

8°C

Humidity 52%
Wind Speed NNE 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 15 Apr 05:00 AM PDT
Extended Forecast for

6 Miles WSW Fort Jones CA

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

    Overnight: A 30 percent chance of rain.  Snow level 5600 feet. Mostly cloudy, with a low around 38. Light south southeast wind.

    Low: 38 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly before 4pm.  Snow level 5900 feet lowering to 5100 feet in the afternoon . High near 51. Southeast wind 5 to 10 mph becoming south southwest in the morning.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Widespread frost after 11pm.  Otherwise, mostly clear, with a low around 29. West northwest wind 6 to 11 mph becoming light northwest  after midnight.

    Low: 29 °F

    Frost

  • Thursday

    Thursday: Widespread frost before 11am.  Otherwise, sunny, with a high near 53. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 53 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: 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, sunny, with a high near 63.

    High: 63 °F

    Frost then
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain. Snow level 5600 feet. Mostly cloudy, with a low around 38. Light south southeast wind.
Wednesday
Rain, mainly before 4pm. Snow level 5900 feet lowering to 5100 feet in the afternoon . High near 51. Southeast wind 5 to 10 mph becoming south southwest in the morning. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 29. West northwest wind 6 to 11 mph becoming light northwest after midnight.
Thursday
Widespread frost before 11am. Otherwise, sunny, with a high near 53. Calm wind becoming north 5 to 9 mph in the afternoon.
Thursday Night
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, sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Snow level 5900 feet. Mostly cloudy, with a high near 60.
Sunday Night
A chance of rain. Snow level 5900 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 38.
Monday
A chance of rain. Snow level 5000 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 61.
Monday Night
A chance of rain. Snow level 6000 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Snow level 5300 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Fort Jones CA
 41.58°N 122.97°W (Elev. 2946 ft)
4:56 am PDT Apr 15, 2026
5am PDT Apr 15, 2026-6pm PDT Apr 21, 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