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Lake Peter Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | |  |  | | | | |  | |
| Chance of Showers | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 206 PM MDT Thu Sep 17 2026 
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Issued: 121 PM MDT Thu Sep 17 2026
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KEY MESSAGES:- Showers and thunderstorms this afternoon through Saturday, focused I-90 southward. Gusty outflow winds today, locally heavy rain concern on Friday.
- Warming and drying Sunday through early next week.
This Afternoon through Saturday: An upper-level low spinning over Northern California will draw deep moisture into the region through this evening, driving precipitable water (PWAT) values to 150-200% of normal. Morning cloud cover has kept instability tempered thus far but ...