Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Overcast

36°F

2°C

Humidity 64%
Wind Speed S 4 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 18 Feb 11:00 AM PST
Extended Forecast for

5 Miles W Fort Jones CA

Winter Storm Warning February 18, 11:22am until February 19, 10:00am
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 18, 11:22am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Storm Warning

  • Today

    High: 37 °F

    Chance Snow

  • Tonight

    Tonight: Snow, mainly after 11pm.  Low around 23. South wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    Low: 23 °F

    Chance Snow
    then Snow

  • Thursday

    Thursday: Snow, mainly before 4pm.  High near 36. Calm wind becoming north northwest 5 to 9 mph in the morning.  Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 36 °F

    Snow then
    Snow Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 10pm.  Partly cloudy, with a low around 15. West northwest wind around 5 mph becoming calm  after midnight.

    Low: 15 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Calm wind becoming south around 5 mph in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 10pm.  Mostly cloudy, with a low around 21.

    Low: 21 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain and snow.  Partly sunny, with a high near 40. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain likely, possibly mixed with snow, mainly after 10pm.  Snow level 3200 feet. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
A 40 percent chance of snow, mainly between 1pm and 5pm. Partly sunny, with a high near 37. Calm wind becoming south southwest 5 to 7 mph in the afternoon. Little or no snow accumulation expected.
Tonight
Snow, mainly after 11pm. Low around 23. South wind around 6 mph becoming calm after midnight. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Thursday
Snow, mainly before 4pm. High near 36. Calm wind becoming north northwest 5 to 9 mph in the morning. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday Night
A 20 percent chance of snow before 10pm. Partly cloudy, with a low around 15. West northwest wind around 5 mph becoming calm after midnight.
Friday
Mostly sunny, with a high near 38. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of snow after 10pm. Mostly cloudy, with a low around 21.
Saturday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Rain likely, possibly mixed with snow, mainly after 10pm. Snow level 3200 feet. Mostly cloudy, with a low around 30.
Sunday
Rain, possibly mixed with snow, becoming all rain after 10am. Snow level 3900 feet. Cloudy, with a high near 41.
Sunday Night
Rain before 10pm, then rain, possibly mixed with snow. Snow level 4300 feet. Cloudy, with a low around 32.
Monday
Rain, possibly mixed with snow. Snow level 4000 feet. Cloudy, with a high near 42.
Monday Night
Rain and snow. Snow level 3800 feet lowering to 3200 feet after midnight . Cloudy, with a low around 28.
Tuesday
Rain and snow. Snow level rising to 3600 feet in the afternoon. Mostly cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Jones CA
 41.61°N 122.94°W (Elev. 2999 ft)
9:42 am PST Feb 18, 2026
11am PST Feb 18, 2026-6pm PST Feb 24, 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