Weather Forecast for
Sweet Grass County, MT Overnight: Partly cloudy, with a low around 42. West wind 3 to 5 mph.

Sunday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming west northwest 8 to 13 mph in the morning. Chance of precipitation is 60%.


Sunday Night: Showers likely and possibly a thunderstorm before midnight. Mostly cloudy, with a low around 35. West wind 7 to 13 mph. Chance of precipitation is 60%.

Monday: A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 56. West wind around 15 mph.

Monday Night: A chance of rain showers before midnight, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 35. West northwest wind 10 to 14 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

Tuesday: Mostly sunny, with a high near 57.

Tuesday Night: Mostly clear, with a low around 38.

Wednesday: Mostly sunny, with a high near 59.

Wednesday Night: A slight chance of rain showers before midnight, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Chance of precipitation is 30%.

Thursday: A slight chance of rain and snow showers before noon. Partly sunny, with a high near 56. Chance of precipitation is 20%.

Thursday Night: Partly cloudy, with a low around 36.

Friday: A 20 percent chance of showers. Mostly sunny, with a high near 58.

Friday Night: A chance of rain and snow showers. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.

Saturday: A chance of rain and snow showers. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.