National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Erin Strengthens to a Hurricane; Heavy Rainfall Possible in Puerto Rico and the Virgin Islands, the Upper Midwest, South Texas

Hurricane Erin may bring isolated flash and urban flooding, landslides or mudslides, and possible tropical storm conditions to Puerto Rico and the U.S. Virgin Islands this weekend. Scattered thunderstorms and heavy rainfall may bring areas of flooding this weekend over the Upper Midwest. A tropical disturbance will bring locally heavy rain and mainly urban flash flooding to far southern Texas. Read More >

Current conditions at

ST. REGIS (STGM8)

Lat: 47.30711°NLon: 115.10761°WElev: 2678.0ft.

NA

49°F

9°C

Humidity 97%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 17 Aug 04:02 AM MDT
Extended Forecast for

8 Miles ENE St. Regis MT

  • Overnight

    Overnight: A 20 percent chance of rain. Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Partly sunny, with a high near 84. Light west wind.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light and variable wind.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain. Mostly cloudy, with a low around 57. Calm wind.
Sunday
Partly sunny, with a high near 84. Light west wind.
Sunday Night
Mostly clear, with a low around 57. Light and variable wind.
Monday
Mostly sunny, with a high near 91. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE St. Regis MT
 47.33°N 114.94°W (Elev. 2584 ft)
Last Update:
3:30 am MDT Aug 17, 2025
Forecast Valid:
5am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
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