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Chowder Reservoir Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  | | | | | | |  |  | |
| Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Sunny | Partly Cloudy | Chance of Rain | Chance of Rain |
| Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C Lo: 39°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1231 AM MDT Sun Oct 18 2026 
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Issued: 1245 AM MDT Sun Oct 18 2026
Key Messages
- Elevated SE winds are anticipated Monday.
- There is potential for precipitation this week, with chances beginning overnight Thursday.
Discussion
...
Zonal flow over Montana will gradually build into an upper-level ridge. Although minor perturbations moving through the flow will produce elevated SE winds Monday, primarily fair weather is anticipated through Wednesday.
By Thursday, an upper-level low off the coast of central California will meander eastward over the Great Basin, enabling th...