How is the weather in Rocky Boy, MT?

At 5:00 AM on Fri, Sep 5, 2025 it is clear and 40 degrees Fahrenheit, feeling like 37 degrees.

Rocky Boy, MT Weather Forecast and Current Conditions

40°F
Feels Like 37°F

Humidity 87% Dew Point 36°F Wind SSW 4 MPH Gusts 6 Barometer 30.18 in.766.6 mm

Solar Rad 0 w/m2

Report from 16 miles N of central Rocky Boy at 5:00 AM Fri, Sep 5, 2025

Current Weather

40°F
Feels Like 37°F

Humidity 87% Dew Point 36°F Wind SSW 4 MPH Gusts 6 Barometer 30.18 in.766.6 mm

Solar Rad 0 w/m2

Report from 16 miles N of central Rocky Boy at 5:00 AM Fri, Sep 5, 2025

Forecast at a Glance

FriSep 5

67°

41°

SatSep 6

75°

48°

SunSep 7

82°

53°

MonSep 8

10%

79°

52°

TueSep 9

20%

78°

54°

WedSep 10

30%

75°

51°

ThuSep 11

30%

72°

49°

This Date in Weather History

1975 - Strong winds reduced visibilities to near zero in blowing dust resulting in a 22-car chain reaction accident on Interstate 10 near Toltec AZ. Two persons were killed, and 14 others were injured.

Rocky Boy 7 Day Weather Forecast Details

Friday Sep 5

Day: Areas of frost before 8am. Sunny, with a high near 67. North northwest wind 1 to 5 mph.

Night: Mostly clear, with a low around 41. East wind around 6 mph.

Saturday Sep 6

Day: Sunny, with a high near 75. Southeast wind 3 to 7 mph.

Night: Partly cloudy, with a low around 48. Southeast wind around 8 mph.

Sunday Sep 7

Day: Mostly sunny, with a high near 82. South wind around 6 mph.

Night: Mostly cloudy, with a low around 53. South southwest wind around 5 mph.

Monday Sep 8

Day: Mostly sunny, with a high near 79. West wind around 7 mph.

Night: Partly cloudy, with a low around 52. East wind around 6 mph.

Tuesday Sep 9

Day: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78.

Night: A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54.

Wednesday Sep 10

Day: A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 75.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.

Thursday Sep 11

Day: A chance of rain showers. Partly sunny, with a high near 72.

Night: A chance of rain showers. Mostly cloudy, with a low around 49.

Sun & Moon Monthly

First Light 6:11 AM

Sunrise 6:44 AM

Sunset 7:54 PM

Last Light 8:26 PM

Moonrise 7:13 PM

Moonset 3:49 AM

Moon Phase

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