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Kirby, MT Weather Forecast
Kirby, MT Weather Forecast Date: 350 AM MDT Tue Sep 15 2026
The area/counties/county of: Southern Big Horn, including the cities of: Pryor and Lodge Grass.or toggle through each period.
Today... Sunny. Patchy fog early in the morning. Highs in the upper 60s. Southeast winds 5 to 15 mph.
Tonight... Decreasing clouds. Lows in the lower 40s. South winds 5 to 15 mph.
Wednesday... Sunny. Highs in the upper 60s. Northwest winds 5 to 15 mph.
Wednesday Night... Partly cloudy. Lows in the lower 40s. East winds 5 to 10 mph.
Thursday... Mostly sunny. Highs in the upper 70s. Southeast winds 5 to 10 mph.
Thursday Night... Mostly cloudy. A 20% chance of rain showers overnight. Lows in the lower 50s.
Friday... Partly sunny. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50%.
Friday Night... Rain showers likely and slight chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the mid 40s. Chance of precipitation 70%.
Saturday... Partly sunny with a 40% chance of rain showers. Highs in the lower 70s.
Saturday Night... Partly cloudy. A 30% chance of rain showers in the evening. Lows in the mid 40s.
Sunday... Sunny. Highs in the mid 70s.
Sunday Night... Mostly clear. Lows in the mid 40s.
POP = Probability of Precipitation
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