Fork Reservoir, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Fork Reservoir Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Chance of Rain | Chance of Snow | Sunny | Clearing | Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Rain and Snow | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C | Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 25°FLo: -4°C |
| POP: 30% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 351 AM MDT Fri Oct 23 2026 

Fork Reservoir Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Fork Reservoir Weather Map
Fork Reservoir Quick Facts
Fork Reservoir Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1056 PM MDT Thu Oct 22 2026
Key Messages
- A cold front will push east through the CWA this afternoon bringing gusty winds and rough conditions to Fort Peck Lake.
- Precipitation chances are expected over the northwestern half of the CWA this afternoon and evening.
- Cooler and drier weather expected for the weekend continuing into early next week.
Discussion
...
Today into Saturday: An upper low will begin to merge with a western Canada trough today. This will pull up Pacific moisture through the Desert SW while a surface low devel...
Weather World