Flooding Risks from Tropical Moisture Across the Southeast and Southwest

Tropical moisture from Isaias and Rachel will impact portions of the Southeast and Southwest this weekend. Flash flooding, strong winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, strong winds and dry fuels are raising fire weather concerns across the central Great Basin and western High Plains. Across the northern Rockies, first winter storm of the season. Read More >

Current conditions at

ROCKY BOY (ROCM8)

Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.

NA

36°F

2°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

8 Miles WSW Lloyd MT

Winter Weather Advisory October 10, 06:00pm until October 12, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  • This Afternoon

    This Afternoon: Rain before 4pm, then rain and snow.  High near 44. North wind around 13 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Tonight

    Tonight: Snow.  Low around 26. North wind 11 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 26 °F

    Snow

  • Sunday

    Sunday: Snow.  High near 32. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow

  • Sunday Night

    Sunday Night: Snow.  Low around 24. East northeast wind 8 to 11 mph, with gusts as high as 18 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Snow

  • Columbus Day

    Columbus Day: Snow, mainly before noon.  High near 35. Northeast wind 5 to 8 mph becoming light and variable  in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 35 °F

    Snow then
    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Light south wind.

    Low: 23 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. Light west wind.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Rain before 4pm, then rain and snow. High near 44. North wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tonight
Snow. Low around 26. North wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow. High near 32. Northeast wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow. Low around 24. East northeast wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Columbus Day
Snow, mainly before noon. High near 35. Northeast wind 5 to 8 mph becoming light and variable in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Monday Night
Mostly cloudy, with a low around 23. Light south wind.
Tuesday
Sunny, with a high near 46. Light west wind.
Tuesday Night
Mostly clear, with a low around 27. Calm wind.
Wednesday
Sunny, with a high near 52.
Wednesday Night
A slight chance of rain after midnight. Partly cloudy, with a low around 32.
Thursday
A slight chance of rain and snow. Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 30.
Friday
Sunny, with a high near 56.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WSW Lloyd MT
 48.24°N 109.52°W (Elev. 4022 ft)
12:32 pm MDT Oct 10, 2026
2pm MDT Oct 10, 2026-6pm MDT Oct 16, 2026
 
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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