Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

BIG SHEEP MOUNTAIN (LCFM8)

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

NA

85°F

29°C

Humidity 30%
Wind Speed SE 17 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index83°F (28°C)
Last update 27 Aug 01:08 PM MDT
Extended Forecast for

Brockway MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 94. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 66. East southeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 4pm.  Mostly cloudy, with a high near 90. South southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 3am.  Mostly cloudy, with a low around 64. Light and variable wind.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly after 9am.  Mostly cloudy, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 83 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 56. Northeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 56 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 78. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before midnight.  Partly cloudy, with a low around 49. West southwest wind 5 to 14 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. West southwest wind 8 to 16 mph, with gusts as high as 28 mph.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. Southeast wind 10 to 14 mph, with gusts as high as 23 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 66. East southeast wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 24 mph.
Friday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 90. South southwest wind 5 to 7 mph becoming northwest in the afternoon.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 30%.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 56. Northeast wind 5 to 7 mph becoming calm after midnight.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 49. West southwest wind 5 to 14 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 78. West southwest wind 8 to 16 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 53. West northwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Tuesday
A 20 percent chance of showers. Sunny, with a high near 85. Light southeast wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 55.
Wednesday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Brockway MT
 47.3°N 105.76°W (Elev. 2589 ft)
12:25 pm MDT Aug 27, 2026
1pm MDT Aug 27, 2026-6pm MDT Sep 2, 2026
 
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Additional Resources

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