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Clark, MT Weather Forecast
Clark, MT Weather Forecast Date: 1232 PM MDT Wed Aug 12 2026
The area/counties/county of: Fergus County Below 4500ft, including the cities of: Hilger and Lewistown.or toggle through each period.
Rest of Today... Mostly sunny. Patchy smoke. Highs around 80. Northeast winds 5 to 15 mph.
Tonight... Patchy smoke in the evening. Chance of thunderstorms in the evening, then rain showers likely and slight chance of thunderstorms after midnight. Lows in the lower 50s. Northeast winds 5 to 20 mph. Gusts up to 35 mph in the evening. Chance of precipitation 70%.
Thursday... Cooler. Rain showers likely and chance of thunderstorms in the morning, then chance of thunderstorms in the afternoon. Highs in the mid 60s. East winds 5 to 15 mph. Chance of precipitation 70%.
Thursday Night... Cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely after midnight. Lows 49 to 55. Northeast winds 5 to 10 mph. Chance of precipitation 70%.
Friday... Cloudy. Rain showers likely in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Northwest winds 5 to 10 mph. Chance of precipitation 70%.
Friday Night... Mostly cloudy. Rain showers likely in the evening, then chance of rain showers after midnight. Lows 48 to 54. Chance of showers 70%.
Saturday... 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%.
Saturday Night... Partly cloudy in the evening then becoming mostly cloudy. A 20% chance of thunderstorms. Lows 50 to 56.
Sunday... Partly cloudy with a 20% chance of thunderstorms. Highs in the lower 80s. Lows 52 to 58.
Monday... Partly cloudy with a 20% chance of thunderstorms. Highs in the lower 80s. Lows 52 to 58.
Monday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows 52 to 58. Chance of precipitation 50%.
POP = Probability of Precipitation
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