Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

BNSF Java East (JVEMT)

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

NA

44°F

7°C

Humidity 78%
Wind Speed WNW 1 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 13 Apr 01:00 PM MDT
Extended Forecast for

28 Miles SSW Heart Butte MT

  • This Afternoon

    This Afternoon: A 30 percent chance of snow, mainly before 2pm.  Mostly cloudy, with a high near 36. West wind around 14 mph, with gusts as high as 28 mph.  Total daytime snow accumulation of less than one inch possible.

    High: 36 °F

    Chance Snow

  • Tonight

    Tonight: Snow likely, mainly before 3am. The snow could be heavy at times.  Mostly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Heavy Snow

  • Tuesday

    Tuesday: A slight chance of snow before 9am, then a slight chance of snow after 4pm.  Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after midnight.  Mostly cloudy, with a low around 25. Breezy, with a west southwest wind around 22 mph, with gusts as high as 38 mph.  Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 25 °F

    Chance Snow
    then Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: Snow.  High near 33. West southwest wind 16 to 18 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow.  Low around 18. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 18 °F

    Snow

  • Thursday

    Thursday: Snow.  High near 22. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 22 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 15.

    Low: 15 °F

    Snow Likely

  • Friday

    Friday: Snow, mainly after noon.  Mostly cloudy, with a high near 28.

    High: 28 °F

    Snow

Detailed Forecast

This Afternoon
A 30 percent chance of snow, mainly before 2pm. Mostly cloudy, with a high near 36. West wind around 14 mph, with gusts as high as 28 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow likely, mainly before 3am. The snow could be heavy at times. Mostly cloudy, with a low around 27. West wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Tuesday
A slight chance of snow before 9am, then a slight chance of snow after 4pm. Mostly cloudy, with a high near 33. Breezy, with a west southwest wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Tuesday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 25. Breezy, with a west southwest wind around 22 mph, with gusts as high as 38 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Wednesday
Snow. High near 33. West southwest wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow. Low around 18. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Thursday
Snow. High near 22. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 15.
Friday
Snow, mainly after noon. Mostly cloudy, with a high near 28.
Friday Night
A chance of snow before midnight. Mostly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
A slight chance of snow. Mostly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
28 Miles SSW Heart Butte MT
 47.93°N 113.11°W (Elev. 7192 ft)
12:22 pm MDT Apr 13, 2026
1pm MDT Apr 13, 2026-6pm MDT Apr 19, 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