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Summit Weather Forecast
| THIS AFTERNOON | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | | |  |  | |  | | | |  |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 30% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 227 PM EDT Thu Sep 03 2026 
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Issued: 1029 PM EDT Thu Sep 3 2026
Key Messages
1) Isolated thunderstorms with heavy downpours possible overnight into early this morning. Relatively higher chance for W and SW portions of the area.
2) Slight chance of showers and thunderstorms late Friday afternoon into the early evening. Relatively higher chance for W and SW portions of the area.
3) No hazardous weather expected for Labor Day Weekend.
Discussion
... .KEY MESSAGE 1... CAMs for the most part agree with previous runs of the HRRR about the potential for a decaying conve...