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Current conditions at
ROCKY BOY (RCBM8)
Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.NA
84°F
29°C
| Humidity | 36% |
| Wind Speed | ESE 5 MPH |
| Barometer | NA |
| Dewpoint | 54°F (12°C) |
| Visibility | NA |
| Heat Index | 83°F (28°C) |
| Last update | 04 Aug 03:18 PM MDT |
Extended Forecast for
Big Sandy MT
This Afternoon
High: 87 °F
Slight Chance
T-stormsTonight
Low: 58 °F
Severe
Thunderstorms
then Showers
LikelyTuesday
High: 79 °F
Chance
T-stormsTuesday Night
Low: 52 °F
Partly Cloudy
Wednesday
High: 86 °F
Sunny
Wednesday Night
Low: 58 °F
Mostly Cloudy
then Slight
Chance
ShowersThursday
High: 81 °F
Partly Sunny
then Chance
ShowersThursday Night
Low: 52 °F
Chance
T-storms then
Chance
ShowersFriday
High: 73 °F
Chance
Showers then
Chance
T-storms
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. East wind around 7 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers and thunderstorms after 4am. Some of the storms could be severe. Low around 58. South southeast wind 12 to 17 mph becoming south 5 to 10 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Partly sunny, with a high near 79. South wind 5 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 52. Northwest wind 5 to 10 mph becoming light and variable.
Wednesday
Sunny, with a high near 86. South southwest wind 5 to 7 mph becoming west in the afternoon.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 58. West wind 5 to 7 mph becoming light and variable in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. West wind 3 to 8 mph.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. West wind 6 to 8 mph.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 73.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 79.
Saturday Night
Mostly cloudy, with a low around 54.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 79.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Big Sandy MT
48.18°N 110.11°W (Elev. 2759 ft)
48.18°N 110.11°W (Elev. 2759 ft)
2:12 pm MDT Aug 4, 2025
4pm MDT Aug 4, 2025-6pm MDT Aug 11, 2025
Additional Resources
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Hourly Weather Forecast
