Winston, MT Weather Forecast
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Winston Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY |
| Patchy Fog | Partly Cloudy | Clearing | Patchy Fog | Patchy Fog | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Sunny |
| Hi: 49°FHi: 9°C | Lo: 30°FLo: -1°C | Hi: 45°FHi: 7°C | Lo: 30°FLo: -1°C | Hi: 49°FHi: 9°C | Hi: 51°FHi: 11°C Lo: 34°FLo: 1°C | Hi: 51°FHi: 11°C Lo: 34°FLo: 1°C | Hi: 51°FHi: 11°C Lo: 34°FLo: 1°C | Hi: 55°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 55°FHi: 13°C Lo: 36°FLo: 2°C | Hi: 51°FHi: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 416 AM MST Tue Nov 03 2026 

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Issued: 1031 AM MST Tue Nov 3 2026
Key Messages
-Generally milder and drier conditions prevail for much of the workweek, but a weak front will bring slightly cooler temperatures on Wednesday.
-Patchy fog development will increase over the next couple of nights over the plains and southwest valleys.
-Passing weather systems will bring periods of breezy to windy conditions heading into the weekend and early next week.
Discussion
... /Issued Issued by National Weather Service Glasgow MT/- Meteorological Overview:
Ridging aloft looks to bri...
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