Weather Forecast for
Yellowstone County, MT


Overnight: Mostly clear, with a steady temperature around 56. West wind around 8 mph.

Memorial Day: Sunny and hot, with a high near 90. West wind 7 to 10 mph becoming south southeast in the afternoon.

Monday Night: Isolated showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 56. South wind 5 to 11 mph becoming west southwest after midnight. Chance of precipitation is 20%.

Tuesday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny and hot, with a high near 93. Southwest wind 5 to 10 mph becoming east southeast 15 to 20 mph in the afternoon.

Tuesday Night: A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 59. Southeast wind 6 to 15 mph becoming west southwest after midnight.

Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Light and variable wind becoming east southeast 8 to 13 mph in the afternoon.

Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. East southeast wind 5 to 15 mph becoming west northwest after midnight. Chance of precipitation is 20%.

Thursday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 91. Light and variable wind becoming east southeast 8 to 13 mph in the afternoon.

Thursday Night: Partly cloudy, with a low around 60. East southeast wind 5 to 15 mph becoming northwest after midnight.

Friday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 90. West wind 5 to 13 mph becoming southeast in the afternoon.

Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 56. Southeast wind 14 to 17 mph becoming west after midnight.

Saturday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 78. West wind 11 to 14 mph.

Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 52. West northwest wind 7 to 11 mph.

Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. West wind 6 to 11 mph becoming east southeast in the afternoon.

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