Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night 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 and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

48°F

9°C

Humidity 31%
Wind Speed NNW 13 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 16 Apr 07:00 PM PDT
Extended Forecast for

15 Miles ESE Happy Camp CA

Freeze Warning April 17, 12:00am until April 17, 11:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Mostly clear, with a low around 27. North wind 6 to 9 mph becoming south southeast after midnight.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47. East wind 5 to 8 mph.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. North northeast wind around 5 mph becoming light and variable  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. West southwest wind around 8 mph becoming south southeast after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow before 11am, then a chance of rain.  Snow level 6100 feet rising to 6900 feet in the afternoon. Mostly cloudy, with a high near 52. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 52 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain.  Snow level 7100 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Monday

    Monday: A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am.  Snow level 6100 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Monday Night

    Monday Night: A chance of rain and snow, mainly before 11pm.  Snow level 6100 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 27. North wind 6 to 9 mph becoming south southeast after midnight.
Friday
Mostly sunny, with a high near 47. East wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 38. North northeast wind around 5 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 55. Calm wind becoming west northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 43. West southwest wind around 8 mph becoming south southeast after midnight.
Sunday
A slight chance of rain and snow before 11am, then a chance of rain. Snow level 6100 feet rising to 6900 feet in the afternoon. Mostly cloudy, with a high near 52. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A 50 percent chance of rain. Snow level 7100 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 40.
Monday
A chance of rain before 8am, then a chance of rain and snow between 8am and 11am, then rain likely after 11am. Snow level 6100 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain and snow, mainly before 11pm. Snow level 6100 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 38.
Tuesday
Rain and snow likely, becoming all rain after 2pm. Partly sunny, with a high near 45.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 45.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 50.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Happy Camp CA
 41.74°N 123.07°W (Elev. 5745 ft)
4:41 pm PDT Apr 16, 2026
7pm PDT Apr 16, 2026-6pm PDT Apr 23, 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