Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Current conditions at

BNSF Java East (JVEMT)

Lat: 48.23587°NLon: 113.56453°WElev: 4043.0ft.

NA

21°F

-6°C

Humidity 88%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 20 Jan 01:00 AM MST
Extended Forecast for

21 Miles E Swan Lake MT

  • Overnight

    Overnight: A 10 percent chance of snow after 5am.  Mostly cloudy, with a low around 17. West northwest wind 7 to 9 mph.

    Low: 17 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: A 40 percent chance of snow before 8am.  Cloudy through mid morning, then gradual clearing, with a high near 24. North wind 6 to 9 mph becoming west southwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 24 °F

    Chance Snow
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 9 mph becoming east northeast after midnight.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of snow before 11am.  Partly sunny, with a high near 20. Wind chill values as low as -1. Northeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 20 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 7. West wind around 7 mph becoming southeast after midnight.

    Low: 7 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of snow.  Mostly sunny, with a high near 14.

    High: 14 °F

    Slight Chance
    Snow

  • Friday Night

    Friday Night: A slight chance of snow after 11pm.  Partly cloudy, with a low around 3.

    Low: 3 °F

    Slight Chance
    Snow

Detailed Forecast

Overnight
A 10 percent chance of snow after 5am. Mostly cloudy, with a low around 17. West northwest wind 7 to 9 mph.
Tuesday
A 40 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a high near 24. North wind 6 to 9 mph becoming west southwest in the afternoon. New snow accumulation of less than a half inch possible.
Tuesday Night
Partly cloudy, with a low around 11. Wind chill values as low as zero. West wind around 9 mph becoming east northeast after midnight.
Wednesday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 20. Wind chill values as low as -1. Northeast wind 6 to 9 mph becoming west southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 7. West wind around 7 mph becoming southeast after midnight.
Thursday
Mostly sunny, with a high near 17.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
A slight chance of snow. Mostly sunny, with a high near 14.
Friday Night
A slight chance of snow after 11pm. Partly cloudy, with a low around 3.
Saturday
A chance of snow, mainly after 11am. Mostly sunny, with a high near 18.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 6.
Sunday
A chance of snow. Partly sunny, with a high near 22.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15.
Monday
A chance of snow. Mostly cloudy, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
21 Miles E Swan Lake MT
 47.99°N 113.41°W (Elev. 6601 ft)
1:02 am MST Jan 20, 2026
1am MST Jan 20, 2026-6pm MST Jan 26, 2026
 
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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