Big Sag Lake, MT Weather

Today...Rain showers in the morning...Then rain showers likely and a slight chance of thunderstorms in the afternoon. Highs 60 to 65. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent.

Tonight...Rain showers and a slight chance of thunderstorms in the evening...Then a chance of rain showers after midnight. Lows 45 to 50. Northwest winds 5 to 15 mph. Chance of precipitation near 100 percent.

Monday...Rain showers likely in the morning...Then rain showers likely and a slight chance of thunderstorms in the afternoon. Highs around 65. North winds 5 to 15 mph. Chance of precipitation 70 percent.

Monday Night...Mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the evening...Then partly cloudy after midnight. Lows in the mid 40s. North winds 5 to 10 mph...Shifting to the southwest up to 5 mph after midnight. Chance of precipitation 50 percent.

Tuesday...Partly cloudy. Highs 70 to 75. South winds up to 5 mph...Shifting to the east 5 to 10 mph in the afternoon.

Tuesday Night...Partly cloudy. Lows around 45.

Wednesday...Rain showers likely and a chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent.

Wednesday Night...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Windy. Lows around 45.

Thursday...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs 60 to 65. Lows 45 to 50.

Thursday Night...Mostly cloudy with a 40 percent chance of showers and thunderstorms. Highs 60 to 65. Lows 45 to 50.

Friday...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs 65 to 70. Lows 45 to 50.

Friday Night...Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs 65 to 70. Lows 45 to 50.