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.

Partly Cloudy

54°F

12°C

Humidity 46%
Wind Speed S 5 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 13 Apr 12:00 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 49. West wind 7 to 10 mph.

    High: 49 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. West wind 5 to 9 mph becoming light  in the evening.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56. Light west wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after 11pm.  Snow level 6900 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 37. West southwest wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, mainly after 11am.  Snow level 5200 feet. High near 47. Southwest wind 11 to 21 mph, with gusts as high as 32 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 47 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow showers likely before 11pm.  Mostly cloudy, with a low around 23. Blustery.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Snow Showers
    Likely and
    Blustery then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 25.

    Low: 25 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 49. West wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 32. West wind 5 to 9 mph becoming light in the evening.
Tuesday
Mostly sunny, with a high near 56. Light west wind becoming west southwest 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 20 percent chance of rain after 11pm. Snow level 6900 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 37. West southwest wind 10 to 16 mph, with gusts as high as 24 mph.
Wednesday
Rain, possibly mixed with snow, mainly after 11am. Snow level 5200 feet. High near 47. Southwest wind 11 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely before 11pm. Mostly cloudy, with a low around 23. Blustery. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Sunny, with a high near 43.
Thursday Night
Clear, with a low around 25.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A slight chance of rain and snow. Snow level 6900 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 38.
Sunday
A chance of rain and snow. Snow level 5700 feet. Partly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
11:26 am PDT Apr 13, 2026
12pm 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