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Luther, MT Weather Forecast
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Luther Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  |  |  |  | |  | | | | |
| Thunderstorms | Chance of T-Storm | Rain Showers | Chance of Showers | Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear |
| Hi: 55°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C |
| POP: 90% | POP: 90% | POP: 60% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 653 AM MDT Sat Sep 19 2026 
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Issued: 1233 PM MDT Sat Sep 19 2026
Key Messages
- A few strong thunderstorms are expected over southeast Montana through this evening. Main threat is heavy rain and strong winds.
- Flood Watch in effect through Sunday for much of the area. Widespread precipitation through the weekend.
- Widespread 50-95% chance of an inch of rainfall. 50-80% chance of two inches of rainfall for portions of south central Montana.
Discussion
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Rest of Today through Friday...
Widespread rain will continue over the next 24 hours. An estimated 0.75-1.25" of ra...