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Lewis Field Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Partly Cloudy | Chance of Showers | Patchy Fog | Patchy Fog | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Sunny | Partly Cloudy | Sunny |
| Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C |
| POP: 40% | POP: 90% | POP: 90% | POP: 30% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 230 AM EDT Tue Aug 25 2026 
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Issued: 145 AM EDT Tue Aug 25 2026
Key Messages
1) An upper level low will result in passing showers and isolated thunderstorms today, but no severe storms or flooding is expected.
2) With another disturbance nearby, additional showers and thunderstorms are expected to impact the entire region on Thursday into Friday. A few storms could be strong and locally heavy downpours could be a threat as well.
Discussion
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KEY MESSAGE 1...
An upper level low is located over southern Ontario and western Quebec early this morning. It will be slo...