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

55°F

13°C

Humidity 90%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 17 Aug 12:02 AM MDT
Extended Forecast for

De Borgia MT

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Light and variable wind.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers before noon. Mostly sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 83 °F

    Slight Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 51. Calm wind.
Sunday
Partly sunny, with a high near 78. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 52. Light and variable wind.
Monday
A 20 percent chance of showers before noon. Mostly sunny, with a high near 83. Calm wind becoming west southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. West wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 51.
Saturday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Borgia MT
 47.37°N 115.35°W (Elev. 3000 ft)
Last Update:
6:20 pm MDT Aug 16, 2025
Forecast Valid:
12am MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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