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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

Gary Cooper Bridge I-15 MP 242 (MTYEP)

Lat: 47.13948°NLon: 111.85908°WElev: 3427.0ft.

unknown precip

46°F

8°C

Humidity 87%
Wind Speed N 10 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 10 Oct 08:30 AM MDT
Extended Forecast for

Cascade MT

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

  • Today

    Today: Rain before 3pm, then rain, possibly mixed with snow. Temperature falling to around 34 by 4pm. North wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 42 °F⇓

    Rain then
    Rain/Snow

  • Tonight

    Tonight: Snow. Patchy blowing snow between midnight and 3am. Steady temperature around 32. Breezy, with a north wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 32 °F

    Snow and
    Patchy
    Blowing Snow

  • Sunday

    Sunday: Snow. High near 33. North wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 33 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 24. North wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: Snow likely before noon. Cloudy, with a high near 39. North wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Snow Likely
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. South southwest wind around 6 mph becoming calm in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. Calm wind becoming south southwest 5 to 8 mph in the evening.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Rain before 3pm, then rain, possibly mixed with snow. Temperature falling to around 34 by 4pm. North wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Snow. Patchy blowing snow between midnight and 3am. Steady temperature around 32. Breezy, with a north wind 14 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Sunday
Snow. High near 33. North wind 11 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Snow. Low around 24. North wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Columbus Day
Snow likely before noon. Cloudy, with a high near 39. North wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 24. Calm wind becoming south southwest around 6 mph after midnight.
Tuesday
Mostly sunny, with a high near 47. South southwest wind around 6 mph becoming calm in the afternoon.
Tuesday Night
Partly cloudy, with a low around 27. Calm wind becoming south southwest 5 to 8 mph in the evening.
Wednesday
Sunny, with a high near 52.
Wednesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 30.
Thursday
A slight chance of rain. Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cascade MT
 47.27°N 111.7°W (Elev. 3412 ft)
Last Update:
8:02 am MDT Oct 10, 2026
Forecast Valid:
8am MDT Oct 10, 2026-6pm MDT Oct 16, 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