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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

JETTE (JETM8)

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

NA

68°F

20°C

Humidity 26%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 20 Mar 02:43 PM MDT
Extended Forecast for

5 Miles S Swan Lake MT

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Mostly cloudy, with a high near 66. Southwest wind around 7 mph, with gusts as high as 32 mph.

    High: 66 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Rain, mainly before noon. High near 53. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Rain then
    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 25 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 56.

    High: 56 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Mostly cloudy, with a high near 66. Southwest wind around 7 mph, with gusts as high as 32 mph.
Tonight
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Southwest wind around 6 mph becoming calm in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain, mainly before noon. High near 53. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Partly cloudy, with a low around 31. West southwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 25 mph.
Sunday
Sunny, with a high near 50. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 40.
Wednesday
Rain likely. Mostly cloudy, with a high near 54.
Wednesday Night
A chance of rain and snow. Snow level 5100 feet lowering to 3400 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
A chance of snow. Partly sunny, with a high near 45.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Swan Lake MT
 47.84°N 113.82°W (Elev. 3205 ft)
Last Update:
2:41 pm MDT Mar 20, 2026
Forecast Valid:
3pm MDT Mar 20, 2026-6pm MDT Mar 27, 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