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

Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

JETTE (JETM8)

Lat: 47.76706°NLon: 114.23378°WElev: 3593.0ft.

NA

48°F

9°C

Humidity 67%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 10 Oct 04:43 AM MDT
Extended Forecast for

Swan Lake MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: A 20 percent chance of rain. Cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 50 percent chance of rain, mainly after 5pm. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 55. Breezy, with a light and variable wind becoming east northeast 17 to 22 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A chance of rain and snow before 4am, then a chance of snow after 5am. Mostly cloudy, with a low around 25. Blustery, with an east northeast wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance
    Rain/Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 9am. Cloudy, with a high near 46. East northeast wind 6 to 11 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance Snow
    then Cloudy

  • Sunday Night

    Sunday Night: A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 24. East northeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog between 8am and 10am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a low around 34. Calm wind.
Saturday
A 50 percent chance of rain, mainly after 5pm. Patchy fog between 7am and 11am. Otherwise, mostly cloudy, with a high near 55. Breezy, with a light and variable wind becoming east northeast 17 to 22 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of rain and snow before 4am, then a chance of snow after 5am. Mostly cloudy, with a low around 25. Blustery, with an east northeast wind 18 to 23 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Sunday
A 40 percent chance of snow, mainly before 9am. Cloudy, with a high near 46. East northeast wind 6 to 11 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 24. East northeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Columbus Day
Mostly sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Patchy fog between 8am and 10am. Otherwise, sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
A slight chance of rain after noon. Mostly sunny, with a high near 58.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 61.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake MT
 47.93°N 113.84°W (Elev. 3212 ft)
Last Update:
2:01 am MDT Oct 10, 2026
Forecast Valid:
5am MDT Oct 10, 2026-6pm MDT Oct 16, 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