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Garrett Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
 |  | |  |  | |  |  | | |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Sunny | Partly Cloudy | Mostly Clear | Mostly Clear | Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C Lo: 45°FLo: 7°C | Hi: 70°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Fri Sep 18 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 538 PM MDT Fri Sep 18 2026
Key Messages
- Active with scattered to numerous showers and thunderstorms into the weekend. Strong to marginally severe thunderstorms may return to the area as a potent Pacific storm system moves into Wyoming Saturday and Saturday night.
- Active weather with cooler temperatures expected for much of the upcoming week.
Aviation
/00Z TAFS THROUGH 00Z SUNDAY/... Issued at 531 PM MDT Fri Sep 18 2026
A rather tricky forecast for terminals with all flight category rules on the table. Heavy thunderstorms are ...