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Town of Darby, MontanaDarby, MT Weather Forecast
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Darby Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | | |  |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear |
| Hi: 80°FHi: 27°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 47°FLo: 8°C | Hi: 73°FHi: 23°C | Lo: 47°FLo: 8°C | Hi: 77°FHi: 25°C | Lo: 47°FLo: 8°C | Hi: 80°FHi: 27°C | Lo: 47°FLo: 8°C | Hi: 76°FHi: 24°C | Lo: 47°FLo: 8°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 80% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1222 AM MDT Thu Sep 17 2026 
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Issued: 1133 AM MDT Wed Sep 16 2026
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KEY MESSAGES:- Warm and dry today with sunny skies; breezy easterly winds developing this evening.
- Showers and thunderstorms Thursday into Friday, generally south of Highway 12 and I-90. Storms will be capable of brief heavy rain, small hail, and sudden wind gusts up to 45 mph.
- Another warming and drying trend Sunday through early next week.
A brief area of high pressure over the region today will bring pleasant, sunny, and near-normal temperatures, with highs reaching the 70s in west...