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Jack Reservoir Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY |
 |  |  | |  | | | | |  | | |
| Chance of Showers | Sunny | Clearing | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Sunny |
| Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 75°FHi: 24°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 41°FLo: 5°C | Hi: 70°FHi: 21°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1230 AM MDT Sat Oct 03 2026 
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Issued: 1141 PM MDT Fri Oct 2 2026
Key Messages
- A weak cold front may bring a few showers to the area early this morning along with a switch to northwest winds.
- Seasonal temperatures and dry conditions through the weekend before warming up next week
- Above average temperatures expected on Monday with highs in the upper 70s to low 80s
Discussion
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Synoptic Setup:
A weak cold front passing through the area will cause isolated showers into Saturday morning along with a wind shift to the northwest. Otherwise, an upper-level high pressure...