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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

Lat: 47.02819°NLon: 105.80472°WElev: 3172.0ft.

NA

80°F

27°C

Humidity 48%
Wind Speed NNW 14 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index81°F (27°C)
Last update 17 Aug 12:08 PM MDT
Extended Forecast for

14 Miles SSE Brockway MT

  • This Afternoon

    This Afternoon: A slight chance of showers between 1pm and 3pm. Sunny, with a high near 85. Northwest wind around 7 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 61. North northeast wind around 6 mph becoming south after midnight.

    Low: 61 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. South southeast wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. East southeast wind around 8 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Southeast wind 6 to 9 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68. Southeast wind around 10 mph.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 97. South southeast wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 97 °F

    Hot

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers between 1pm and 3pm. Sunny, with a high near 85. Northwest wind around 7 mph. Chance of precipitation is 20%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Increasing clouds, with a low around 61. North northeast wind around 6 mph becoming south after midnight.
Monday
A slight chance of showers, with thunderstorms also possible after noon. Mostly sunny, with a high near 86. South southeast wind 6 to 8 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 63. East southeast wind around 8 mph.
Tuesday
Sunny, with a high near 95. Southeast wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 68. Southeast wind around 10 mph.
Wednesday
Sunny and hot, with a high near 97. South southeast wind 10 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 65. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 81. North northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Thursday Night
A 20 percent chance of showers after midnight. Mostly clear, with a low around 55. North wind 9 to 13 mph, with gusts as high as 21 mph.
Friday
A 20 percent chance of showers. Sunny, with a high near 76. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSE Brockway MT
 47.12°N 105.62°W (Elev. 3199 ft)
Last Update:
2:28 am MDT Aug 17, 2025
Forecast Valid:
12pm MDT Aug 17, 2025-6pm MDT Aug 23, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation