Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

unknown precip

49°F

9°C

Humidity 51%
Wind Speed NE 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 15 Apr 01:00 PM MDT
Extended Forecast for

6 Miles E Elliston MT

Winter Weather Advisory April 15, 06:00pm until April 16, 09:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Rain and snow showers, becoming all snow after 5pm. Some thunder is also possible.  Snow level 6200 feet. High near 43. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Snow before 2am, then a slight chance of snow after 3am. The snow could be heavy at times.  Low around 19. West wind 13 to 21 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Heavy Snow
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely, mainly after 2pm.  Partly sunny, with a high near 28. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

    High: 28 °F

    Snow Likely
    and Breezy

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before midnight.  Mostly cloudy, with a low around 19. West wind 10 to 20 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible.  High near 32. West wind 10 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 32 °F

    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight.  Partly cloudy, with a low around 20.

    Low: 20 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Rain and snow showers, becoming all snow after 5pm. Some thunder is also possible. Snow level 6200 feet. High near 43. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Snow before 2am, then a slight chance of snow after 3am. The snow could be heavy at times. Low around 19. West wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow likely, mainly after 2pm. Partly sunny, with a high near 28. Breezy, with a west wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 19. West wind 10 to 20 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday
Snow, mainly before 3pm, then snow showers after 3pm. Some thunder is also possible. High near 32. West wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 20.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
12:22 pm MDT Apr 15, 2026
1pm MDT Apr 15, 2026-6pm MDT Apr 21, 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