Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

43°F

6°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 Apr 08:00 AM PDT
Extended Forecast for

13 Miles NW Fort Jones CA

  • Today

    Today: Mostly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 38. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 38 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 63 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 11pm.  Snow level 5700 feet lowering to 4300 feet. Mostly cloudy, with a low around 40. West wind 5 to 10 mph.

    Low: 40 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers.  Snow level 4600 feet rising to 5200 feet. High near 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers before 11pm.  Snow level 4600 feet lowering to 2200 feet after midnight . Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 58. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Tonight
Increasing clouds, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 63. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers after 11pm. Snow level 5700 feet lowering to 4300 feet. Mostly cloudy, with a low around 40. West wind 5 to 10 mph.
Wednesday
Showers. Snow level 4600 feet rising to 5200 feet. High near 53. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers before 11pm. Snow level 4600 feet lowering to 2200 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
Sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 29.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NW Fort Jones CA
 41.75°N 123.01°W (Elev. 1850 ft)
4:41 am PDT Apr 13, 2026
8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database