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Island Lake Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT |
 |  |  |  | | | | | |  | | |
| Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy |
| Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C | Hi: 65°FHi: 18°C Lo: 40°FLo: 4°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 510 PM MDT Wed Sep 09 2026 
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Issued: 1033 PM MDT Wed Sep 9 2026
Key Messages
.KEY MESSAGES, Issued 1015 PM MDT Wed Sep 9 2026...- There is a ~50% chance the western valleys will see wind gusts in excess of 45 mph for 3 or more hours Saturday evening into late Saturday night ahead of a strong cold front.
Discussion
, Issued 1015 PM MDT Wed Sep 9 2026... With high pressure centered over the Desert Southwest, dry conditions will continue across the region through Thursday. An upper level trough will approach the Pacific Northwest later Thursday into early Friday. A...