Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

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

NA

54°F

12°C

Humidity 81%
Wind Speed WNW 16 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 17 Jun 08:08 AM MDT
Extended Forecast for

13 Miles W Brockway MT

Lake Wind Advisory June 17, 09:04am until June 17, 08:00pm
Click here for hazard details and duration
Lake Wind Advisory
  •  
    Lake Wind Advisory June 17, 09:04am until June 17, 08:00pm

    NOW until 8:00pm Wed

    Lake Wind Advisory

  • Today

    High: 67 °F

    Breezy.
    Slight Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 7pm.  Partly cloudy, with a low around 46. Northwest wind 11 to 16 mph becoming light west northwest  after midnight. Winds could gust as high as 26 mph.

    Low: 46 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm.  Mostly sunny, with a high near 70. West northwest wind 5 to 13 mph, with gusts as high as 22 mph.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. Northwest wind 6 to 11 mph becoming light west northwest  after midnight. Winds could gust as high as 21 mph.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 72. West northwest wind 3 to 6 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. North northeast wind 5 to 9 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 77. East southeast wind 11 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 53. East southeast wind 9 to 17 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 50%.
Tonight
A 20 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 46. Northwest wind 11 to 16 mph becoming light west northwest after midnight. Winds could gust as high as 26 mph.
Thursday
A 40 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Mostly sunny, with a high near 70. West northwest wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 46. Northwest wind 6 to 11 mph becoming light west northwest after midnight. Winds could gust as high as 21 mph.
Juneteenth
Sunny, with a high near 72. West northwest wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 51. North northeast wind 5 to 9 mph becoming east southeast after midnight. Winds could gust as high as 18 mph.
Saturday
Partly sunny, with a high near 77. East southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. East southeast wind 9 to 17 mph, with gusts as high as 25 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 71. Southeast wind 9 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Sunday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 48. Northwest wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 69. Northwest wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 75.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W Brockway MT
 47.28°N 106.04°W (Elev. 2674 ft)
4:41 am MDT Jun 17, 2026
9am MDT Jun 17, 2026-6pm MDT Jun 23, 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