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Flat Reservoir Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 | |  |  |  | | | | | | | |
| Patchy Fog | Patchy Fog | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 25°FLo: -4°C | Hi: 55°FHi: 13°C | Lo: 39°FLo: 4°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 PM MDT Thu Oct 15 2026 
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Issued: 1245 PM MDT Thu Oct 15 2026
Key Messages
- Windy conditions over the plains of eastern Montana Today.
- Windy conditions Friday into Saturday for the foothills south and west of Billings. Gusts 35 to 50 mph expected.
- Above average temperatures Friday and Saturday.
Discussion
...
Today through Wednesday...
A cold front has moved through the region overnight, creating slightly cooler conditions for today. As higher pressures fill in, windy conditions are expected to persist through the day across eastern MT. There is still about a 60...