Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

EW8201 Lothair 3e (E8201)

Lat: 48.465°NLon: 111.17567°WElev: 3252.99ft.

NA

34°F

1°C

Humidity 95%
Wind Speed NE 11 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 11 Oct 12:45 PM MDT
Extended Forecast for

5 Miles W Chester MT

Winter Weather Advisory October 11, 01:04pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory October 11, 01:04pm until October 12, 06:00am

    NOW until 6:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 35 °F

    Rain/Snow

  • Tonight

    Tonight: Snow.  Low around 24. Northeast wind 10 to 15 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: A 40 percent chance of snow before 8am.  Cloudy, with a high near 36. North northeast wind 6 to 10 mph becoming south southwest in the afternoon.  New snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. South southwest wind 5 to 7 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46. West wind 5 to 7 mph.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. South wind 3 to 8 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Southwest wind 6 to 8 mph becoming northwest after midnight.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely, possibly mixed with rain before 3pm, then snow. High near 35. Northeast wind around 16 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Low around 24. Northeast wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Columbus Day
A 40 percent chance of snow before 8am. Cloudy, with a high near 36. North northeast wind 6 to 10 mph becoming south southwest in the afternoon. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, with a low around 20. South southwest wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 46. West wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 23. Calm wind.
Wednesday
Mostly sunny, with a high near 55. South wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 30. Southwest wind 6 to 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Chester MT
 48.5°N 111.08°W (Elev. 3199 ft)
12:31 pm MDT Oct 11, 2026
1pm MDT Oct 11, 2026-6pm MDT Oct 17, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database