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- This Saturday, June 27: Great Falls Disaster Response Expo - FREE and Family-Friendly Event, Great Falls College at MSU
- SCN26-50: Discontinuation of the State Forecast Product (SFP) for all NWS Central Region, Southern Region, and Western Region Offices: Effective June 29, 2026
- The Regional Temperatures and Precipitation Product for the State of Montana (RTPMT) will now be discontinued on July 7, 2026.
Current conditions at
ROCKY BOY (ROCM8)
Lat: 48.17478°NLon: 109.64728°WElev: 4700.0ft.NA
50°F
10°C
| Humidity | NA |
| Wind Speed | NA NA MPH |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | NA |
Extended Forecast for
15 Miles S Lloyd MT
This Afternoon
High: 59 °F
Chance
ShowersTonight
Low: 43 °F
Slight Chance
Showers then
Partly CloudyTuesday
High: 61 °F
Mostly Sunny
Tuesday Night
Low: 46 °F
Mostly Cloudy
Wednesday
High: 64 °F
Partly Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Thursday
High: 67 °F
Partly Sunny
then Chance
ShowersThursday Night
Low: 51 °F
Chance
ShowersFriday
High: 70 °F
Partly Sunny
then Chance
Showers
Detailed Forecast
This Afternoon
A 50 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 59. West northwest wind 5 to 10 mph, with gusts as high as 18 mph.
Tonight
A 20 percent chance of showers before 7pm. Partly cloudy, with a low around 43. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 61. Northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 46. North northeast wind 5 to 8 mph.
Wednesday
Partly sunny, with a high near 64. East northeast wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 49. East wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 67. Southeast wind 10 to 15 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 51. East southeast wind 8 to 11 mph, with gusts as high as 21 mph.
Friday
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 70.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 53.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 48.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 54. Breezy.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
15 Miles S Lloyd MT
48.06°N 109.4°W (Elev. 4701 ft)
48.06°N 109.4°W (Elev. 4701 ft)
10:01 am MDT Jun 22, 2026
12pm MDT Jun 22, 2026-6pm MDT Jun 28, 2026
Additional Resources
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