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Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Hazardous Weather Conditions

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

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

unknown precip

41°F

5°C

Humidity 74%
Wind Speed E 17 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 10 Oct 02:45 PM MDT
Extended Forecast for

Elliston MT

Winter Storm Warning October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • This Afternoon

    This Afternoon: Rain before 5pm, then snow, possibly mixed with rain. Snow level 5200 feet. High near 46. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow

  • Tonight

    Tonight: Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 22. Northeast wind 10 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 22 °F

    Rain/Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 32. Northeast wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow

  • Sunday Night

    Sunday Night: Snow, mainly before 5am. Patchy blowing snow between 9pm and midnight. Low around 20. Northeast wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 20 °F

    Snow and
    Patchy
    Blowing Snow

  • Columbus Day

    Columbus Day: A 40 percent chance of snow before noon. Mostly cloudy, with a high near 38. Northeast wind 5 to 8 mph becoming light and variable in the afternoon. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Chance Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Patchy fog between 8pm and 9pm. Otherwise, partly cloudy, with a low around 20.

    Low: 20 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

This Afternoon
Rain before 5pm, then snow, possibly mixed with rain. Snow level 5200 feet. High near 46. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Snow, possibly mixed with rain, becoming all snow after 7pm. Low around 22. Northeast wind 10 to 13 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow. High near 32. Northeast wind 11 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday Night
Snow, mainly before 5am. Patchy blowing snow between 9pm and midnight. Low around 20. Northeast wind 10 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
A 40 percent chance of snow before noon. Mostly cloudy, with a high near 38. Northeast wind 5 to 8 mph becoming light and variable in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Patchy fog between 8pm and 9pm. Otherwise, partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 49.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 33.
Saturday
Sunny, with a high near 63.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Elliston MT
 46.57°N 112.44°W (Elev. 5020 ft)
Last Update:
2:01 pm MDT Oct 10, 2026
Forecast Valid:
3pm MDT Oct 10, 2026-6pm MDT Oct 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation