Weather WorldChalk Butte Reservoir, MT 7-Day Weather Forecast
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Chalk Butte Reservoir Weather Forecast
Chalk Butte Reservoir, MT Weather Forecast Date: 509 PM MDT Mon Aug 24 2026
Weather forecast for Chalk Butte Reservoir, MT
Tonight Lo: 55°F Lo: 13°C |
Tonight... Partly cloudy. Patchy smoke. Lows in the mid 50s. East winds 5 to 10 mph. |
Tue Hi: 85°FHi: 29°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph. |
| Wed Hi: 91°FHi: 33°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly sunny. Highs in the lower 90s. Southeast winds 5 to 10 mph. |
| Thu Hi: 95°FHi: 35°C Lo: 61°F Lo: 16°C |
Thursday... Mostly sunny. Highs in the mid 90s. |
| Fri Hi: 91°FHi: 33°C Lo: 60°F Lo: 16°C |
Friday... Mostly sunny. Highs in the lower 90s. |
| Sat Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Saturday... Mostly sunny. Highs in the upper 80s. |
Sun Hi: 85°FHi: 29°C Lo: 51°F Lo: 11°C |
Sunday... Mostly sunny. A 20% chance of rain showers in the afternoon. Highs in the mid 80s. |
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