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Rainbow Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  |  |  | | | | | |  |  | |
| Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Mostly Clear |
| Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C |
| POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1246 PM MDT Mon Sep 28 2026 
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Issued: 1151 AM MDT Mon Sep 28 2026
Key Messages
- A weather system moving across the area will bring areas of showers and isolated thunderstorms today into this evening.
- Locally heavy rain will be possible with any shower or thunderstorm, but confidence is low for any adverse impacts.
- Weather conditions stay quiet the remainder of the week, with only a couple of chances of light showers. Temperatures will stay seasonal, except on Friday. Highs will be about 5 degrees above normal.
Discussion
... Issued at 129 AM MDT Mon Sep 28 2026
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