Whitewater, MT Weather Forecast
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Whitewater Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Partly Cloudy | Mostly Cloudy | Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear |
| Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C Lo: 50°FLo: 10°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 357 PM MDT Fri Sep 18 2026 

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Issued: 1253 PM MDT Fri Sep 18 2026
Key Messages
- Temperatures remain warm through this afternoon before cooler than average temperatures move into the region Saturday and Sunday, trending cooler into the low to mid 60s. Beyond this weekend, warmer temperatures are expected to return early next week.
- Chances of widespread showers return this weekend with the heaviest totals in excess of 1.00" located south of Highway 200 from Winnett to Glendive as well as south of I-94 through Wibaux. Embedded thunderstorms are possible and can cau...
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