Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

BNSF Java East (JVEMT)

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

NA

51°F

11°C

Humidity 56%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 19 May 03:00 PM MDT
Extended Forecast for

15 Miles E Swan Lake MT

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms.  Partly sunny, with a high near 63. Light west wind.

    High: 63 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of rain before 10pm, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 35. Calm wind.  Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Mostly cloudy, with a high near 61. Calm wind.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and 11pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Calm wind.  Chance of precipitation is 60%.

    Low: 34 °F

    Rain Likely
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 63. Light west wind.
Tonight
A chance of rain before 10pm, then a slight chance of rain after 5am. Mostly cloudy, with a low around 35. Calm wind. Chance of precipitation is 30%.
Wednesday
Rain likely and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 61. Calm wind. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain and thunderstorms likely before 10pm, then a slight chance of rain between 10pm and 11pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Calm wind. Chance of precipitation is 60%.
Thursday
Mostly sunny, with a high near 67. Calm wind.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 43.
Memorial Day
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly sunny, with a high near 65.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles E Swan Lake MT
 47.93°N 113.52°W (Elev. 3799 ft)
2:01 pm MDT May 19, 2026
4pm MDT May 19, 2026-6pm MDT May 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