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

Tropical Moisture Brings Slight Risk of Excessive Rainfall to the Southwest; Strong to Locally Severe Storms on the Plains

Heavy rain and flash flooding are possible across portions of the Southwest through Friday, where Flood Watches are in effect. Strong to locally severe thunderstorms are possible today across portions of the Plains. A tropical wave is causing heavy rainfall in Puerto Rico and the Virgin Islands, which may cause urban and small stream flooding and landslides today. Read More >

Current conditions at

JETTE (JETM8)

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

NA

81°F

27°C

Humidity 24%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Heat Index79°F (26°C)
Last update 18 Sep 04:43 PM MDT
Extended Forecast for

Swan Lake MT

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. Calm wind.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. South wind 3 to 7 mph. Winds could gust as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of rain after noon. Partly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 46.

    Low: 46 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind.
Friday
Sunny, with a high near 81. Calm wind.
Friday Night
Mostly clear, with a low around 53. Calm wind.
Saturday
Sunny, with a high near 83. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 54. South wind 3 to 7 mph. Winds could gust as high as 20 mph.
Sunday
A 20 percent chance of rain after noon. Partly sunny, with a high near 70.
Sunday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A slight chance of rain. Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swan Lake MT
 47.94°N 113.87°W (Elev. 3095 ft)
Last Update:
3:30 pm MDT Sep 18, 2025
Forecast Valid:
5pm MDT Sep 18, 2025-6pm MDT Sep 25, 2025
 
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