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City of Roundup, MTRoundup, MT 7-Day Weather Forecast
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Roundup Weather Forecast
Roundup, MT Weather Forecast Date: 351 AM MDT Sun Oct 25 2026
Weather forecast for Roundup, MT
Today Hi: 49°FHi: 9°C Lo: 29°F Lo: -2°C |
Today... Sunny. Highs in the upper 40s. Northeast winds 5 to 15 mph. |
Mon Hi: 51°FHi: 11°C Lo: 30°F Lo: -1°C |
Monday... Mostly cloudy. Highs in the lower 50s. East winds 5 to 10 mph. |
Tue Hi: 51°FHi: 11°C Lo: 30°F Lo: -1°C |
Tuesday... Snow showers likely early in the morning. Rain showers likely in the morning, then chance of rain showers in the afternoon. Highs in the lower 50s. Southwest winds 5 to 10 mph in the morning increasing to west 10 to 20 mph in the afternoon. Chance of precipitation 70%. |
| Wed Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Wednesday... Sunny. Highs in the mid 50s. |
| Thu Hi: 51°FHi: 11°C Lo: 29°F Lo: -2°C |
Thursday... Partly sunny. Highs in the lower 50s. |
Fri Hi: 45°FHi: 7°C Lo: 29°F Lo: -2°C |
Friday... Mostly cloudy. Slight chance of rain and snow showers early in the morning, then slight chance of rain showers late in the morning. Highs in the mid 40s. Chance of precipitation 20%. |
Sat Hi: 49°FHi: 9°C |
Saturday... Mostly cloudy with a 20% chance of rain showers in the morning, then mostly sunny in the afternoon. Highs in the upper 40s. |
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