Weather Forecast for
Sweet Grass County, MT


Memorial Day: Isolated showers and thunderstorms after 4pm. Increasing clouds, with a high near 81. West northwest wind 5 to 13 mph becoming south southeast in the afternoon. Chance of precipitation is 20%.

Tonight: Isolated showers and thunderstorms before 9pm, then isolated showers between 9pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 50. South southeast wind 8 to 13 mph becoming light and variable. Chance of precipitation is 20%.

Tuesday: A 20 percent chance of showers and thunderstorms after noon. Increasing clouds, with a high near 82. Light and variable wind becoming southeast 15 to 20 mph in the morning.

Tuesday Night: A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 51. Southwest wind 5 to 13 mph.

Wednesday: Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 77. Light and variable wind becoming east southeast 6 to 11 mph in the afternoon. Chance of precipitation is 70%.

Wednesday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Partly cloudy, with a low around 50. East southeast wind 6 to 11 mph becoming light and variable after midnight. Chance of precipitation is 40%.

Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81. Light and variable wind becoming east southeast 8 to 13 mph in the afternoon.

Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. East southeast wind 5 to 14 mph becoming northwest after midnight.

Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 48. West wind 9 to 15 mph. Chance of precipitation is 50%.

Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 69. West southwest wind 8 to 13 mph.

Saturday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 45. West wind 5 to 10 mph becoming light after midnight.

Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 70. Calm wind beco

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