National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather Conditions in the Plains; Increasing Severe Weather Chances for the Plains and Upper Midwest

A strengthening storm system will bring impactful weather to the much of Central U.S. over the next couple of days, including heavy snow in the northern Rockies, Critical fire weather conditions for portions of the Plains, and increasing severe weather chances from the central/southern Plains to the Upper Midwest. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

40°F

4°C

Humidity 85%
Wind Speed WNW 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 22 Apr 11:53 PM PDT
Extended Forecast for

3 Miles SSW Fort Jones CA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 67. Calm wind.

    High: 67 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Calm wind.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after 11am. Snow level 5700 feet rising to 6300 feet in the afternoon. Sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before 11pm. Snow level 6400 feet lowering to 5200 feet. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. Snow level 5000 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before 11pm. Snow level 5900 feet lowering to 5300 feet after midnight . Partly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 33. Light and variable wind.
Thursday
Patchy fog before 8am. Otherwise, sunny, with a high near 67. Calm wind.
Thursday Night
Mostly clear, with a low around 35. Light and variable wind.
Friday
Sunny, with a high near 71. Calm wind.
Friday Night
Mostly clear, with a low around 38. Northwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain after 11am. Snow level 5700 feet rising to 6300 feet in the afternoon. Sunny, with a high near 66.
Saturday Night
A 20 percent chance of rain before 11pm. Snow level 6400 feet lowering to 5200 feet. Partly cloudy, with a low around 38.
Sunday
A chance of rain, mainly after 11am. Snow level 5000 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 59.
Sunday Night
A slight chance of rain before 11pm. Snow level 5900 feet lowering to 5300 feet after midnight . Partly cloudy, with a low around 37.
Monday
A slight chance of rain after 11am. Snow level 5100 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Fort Jones CA
 41.56°N 122.84°W (Elev. 2733 ft)
Last Update:
11:18 pm PDT Apr 22, 2026
Forecast Valid:
12am PDT Apr 23, 2026-6pm PDT Apr 29, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation