Weather WorldFlat Drop Reservoir, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Flat Drop Reservoir Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | |  | | |  | |
| Mostly Clear | Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Rain | Chance of Rain |
| Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Hi: 60°FHi: 16°C Lo: 40°FLo: 4°C | Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 351 PM MDT Fri Oct 16 2026 
Flat Drop Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Flat Drop Reservoir Weather Map
Flat Drop Reservoir Quick Facts
Flat Drop Reservoir Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 147 PM MDT Fri Oct 16 2026
Key Messages
- Ridge over the region will bring warming temperatures, peaking on Saturday.
- A cold front passage late on Saturday will drop temperatures back closer to normal for next week.
- Dry conditions are expected through the weekend and into next week.
Discussion
... As a surface high exits our region, a weak surface trough will be in place to advect cooler temperatures into our CWA today. A high pressure center aloft, causing a weak rex block configuration in the southwest US, will promote NW fl...