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.

Overcast

37°F

3°C

Humidity 60%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 16 Apr 09:20 AM PDT
Extended Forecast for

15 Miles ESE Happy Camp CA

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

  • Today

    Today: Sunny, with a high near 38. North wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 38 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 27. North wind 7 to 10 mph becoming southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. Southeast wind 6 to 8 mph becoming east northeast in the afternoon.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 37. North wind 5 to 7 mph becoming south after midnight.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58. South wind 7 to 9 mph becoming west southwest in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 11pm. Snow level 7800 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 42.

    Low: 42 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 40 percent chance of rain. Snow level 6700 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely before 11pm, then a chance of rain and snow. Snow level 6300 feet lowering to 5700 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain/Snow
    Likely

  • Monday

    Monday: Rain and snow likely, becoming all rain after 2pm. Mostly cloudy, with a high near 42.

    High: 42 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Sunny, with a high near 38. North wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 27. North wind 7 to 10 mph becoming southeast after midnight.
Friday
Sunny, with a high near 51. Southeast wind 6 to 8 mph becoming east northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 37. North wind 5 to 7 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 58. South wind 7 to 9 mph becoming west southwest in the afternoon.
Saturday Night
A 20 percent chance of rain after 11pm. Snow level 7800 feet lowering to 7100 feet after midnight . Mostly cloudy, with a low around 42.
Sunday
A 40 percent chance of rain. Snow level 6700 feet. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely before 11pm, then a chance of rain and snow. Snow level 6300 feet lowering to 5700 feet. Mostly cloudy, with a low around 39.
Monday
Rain and snow likely, becoming all rain after 2pm. Mostly cloudy, with a high near 42.
Monday Night
A chance of rain and snow before 2am, then a slight chance of snow. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 43.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Wednesday
A slight chance of rain and snow. Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
Last Update:
9:02 am PDT Apr 16, 2026
Forecast Valid:
9am PDT Apr 16, 2026-6pm PDT Apr 22, 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