10-Day Weather Forecast - Sweet Grass, MT
- 62|46°FMostly SunnyHourly details
Today
62°FBreezy. Mostly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the upper 60s. Northwest winds 15 to 25 mph with gusts to around 40 mph.
Tonight
46°FMostly clear. Lows in the upper 30s. North winds 5 to 15 mph with gusts to around 30 mph shifting to the west up to 5 mph after midnight.
- 72|51°FSunnyHourly details
Day
72°FSunny. Highs in the mid 70s. South winds up to 10 mph increasing to southeast 15 to 20 mph in the afternoon.
Night
51°FPartly cloudy. Lows in the upper 40s. Southeast winds 5 to 15 mph with gusts to around 30 mph.
- 76|49°FMostly SunnyHourly details
Day
76°FMostly sunny. Highs in the mid 80s. South winds 5 to 15 mph with gusts to around 35 mph.
Night
49°FWindy. Mostly cloudy. Slight chance of thunderstorms in the evening then chance of rain showers after midnight. Lows in the lower 50s. Chance of precipitation 40 percent.
- 61|44°FWindyHourly details
Day
61°FWindy cooler. Mostly sunny. Slight chance of rain showers in the morning then slight chance of thunderstorms in the afternoon. Highs around 70. Chance of precipitation 20 percent.
Night
44°FWindy. Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. Highs in the upper 60s.
- 63|41°FWindyHourly details
Day
63°FWindy. Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. Highs in the upper 60s.
Night
41°FWindy. Partly cloudy with a 20 percent chance of rain. Lows in the mid 40s. Highs in the upper 60s.
Weekend Weather
- 50|35°FWindyHourly details
Day
50°FWindy. Partly cloudy. A 20 percent chance of rain. Highs in the lower 60s. Lows in the mid 30s.
Night
35°FWindy. Partly cloudy. A 20 percent chance of rain. Highs in the lower 60s. Lows in the mid 30s.
- 56|38°F30% Chance of Snow
Day
56°FBreezy. Mostly sunny. Chance of snow and slight chance of rain in the morning then slight chance of rain in the afternoon. Highs around 60. Chance of precipitation 30 percent.
Night
38°FMostly clear. Low temperature around 38F. Dew point will be around 28F with an average humidity of 53%. Winds will be 10 mph from the W.
- 58|41°FPartly Cloudy
Day
58°FPartly cloudy. High temperature around 58F. Dew point will be around 25F with an average humidity of 37%. Winds will be 12 mph from the W.
Night
41°FCloudy. Low temperature around 41F. Dew point will be around 26F with an average humidity of 45%. Winds will be 11 mph from the W.
- 59|40°FPartly Cloudy
Day
59°FPartly cloudy. High temperature around 59F. Dew point will be around 27F with an average humidity of 37%. Winds will be 13 mph from the W.
Night
40°FMostly cloudy. Low temperature around 40F. Dew point will be around 28F with an average humidity of 48%. Winds will be 11 mph from the W.
- 58|40°F30% Chance of Rain
Day
58°FMostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 58F. Dew point will be around 28F with an average humidity of 40%. Winds will be 10 mph from the NW.
Night
40°FMostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 40F. Dew point will be around 28F with an average humidity of 49%. Winds will be 9 mph from the W.













