Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

46°F

8°C

Humidity 89%
Wind Speed WNW 10 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 11 Apr 07:00 PM MDT
Extended Forecast for

6 Miles E Elliston MT

  • Tonight

    Tonight: Rain likely, mainly before 8pm.  Snow level 8100 feet lowering to 6900 feet after midnight . Cloudy during the early evening, then gradual clearing, with a low around 32. West southwest wind 6 to 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Mostly
    Clear

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 3pm.  Snow level 6600 feet rising to 8100 feet in the afternoon. High near 48. West southwest wind 5 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Slight Chance
    Rain then
    Showers

  • Sunday Night

    Sunday Night: Rain before 3am, then snow likely. Some thunder is also possible.  Snow level 7800 feet lowering to 6200 feet after midnight . Low around 32. Northeast wind 6 to 10 mph becoming west southwest after midnight.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Showers then
    Rain/Snow
    Likely

  • Monday

    Monday: Snow before 3pm, then rain, possibly mixed with snow.  High near 41. West southwest wind 7 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Snow then
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight.  Mostly cloudy, with a low around 30. West wind 15 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow.  Partly sunny, with a high near 43. Breezy.

    High: 43 °F

    Slight Chance
    Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after midnight.  Mostly cloudy, with a low around 30. Breezy.  Little or no snow accumulation expected.

    Low: 30 °F

    Partly Cloudy
    and Breezy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow.  Mostly cloudy, with a high near 39. Breezy.

    High: 39 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow.  Mostly cloudy, with a low around 21. Breezy.

    Low: 21 °F

    Snow and
    Breezy

Detailed Forecast

Tonight
Rain likely, mainly before 8pm. Snow level 8100 feet lowering to 6900 feet after midnight . Cloudy during the early evening, then gradual clearing, with a low around 32. West southwest wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain likely, then showers and possibly a thunderstorm after 3pm. Snow level 6600 feet rising to 8100 feet in the afternoon. High near 48. West southwest wind 5 to 10 mph becoming east northeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain before 3am, then snow likely. Some thunder is also possible. Snow level 7800 feet lowering to 6200 feet after midnight . Low around 32. Northeast wind 6 to 10 mph becoming west southwest after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday
Snow before 3pm, then rain, possibly mixed with snow. High near 41. West southwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 9pm, then a chance of snow between 9pm and midnight. Mostly cloudy, with a low around 30. West wind 15 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 43. Breezy.
Tuesday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 30. Breezy. Little or no snow accumulation expected.
Wednesday
Snow. Mostly cloudy, with a high near 39. Breezy.
Wednesday Night
Snow. Mostly cloudy, with a low around 21. Breezy.
Thursday
Snow. Cloudy, with a high near 26. Blustery.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16.
Friday
A chance of snow. Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 19.
Saturday
A slight chance of snow. Mostly sunny, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles E Elliston MT
 46.56°N 112.32°W (Elev. 6168 ft)
2:00 pm MDT Apr 11, 2026
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 2026
 
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