Nellies Park, MT Weather Forecast
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Nellies Park Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
| Mostly Clear | Mostly Sunny | Cloudy | Mostly Cloudy | Mostly Clear | Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1230 AM MDT Sun Sep 27 2026 

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Issued: 1252 AM MDT Sun Sep 27 2026
Key Messages
- Possible showers and thunderstorms late tonight and early tomorrow morning along the North Dakota border and the Yellowstone Valley.
- Tuesday specifically will need to be monitored for fire weather concerns due to anticipated low RH and gusty winds.
Discussion
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Synoptic Setup: Forecast begins with a ridge running from northern Manitoba into Ontario and down the Mississippi Valley. It then turns back west across the southern plains and into the high pressure over the Desert SW. A broad...
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