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Lyman Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Mostly Sunny | Chance of Rain | Chance of Rain | Partly Cloudy | Chance of Rain | Rain | Chance of T-Storm | Chance of T-Storm | Chance of Rain | Mostly Cloudy | Chance of Rain | Chance of Rain |
| Hi: 65°FHi: 18°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 47°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 60°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 63°FHi: 17°C | Lo: 43°FLo: 6°C | Hi: 63°FHi: 17°C | Lo: 47°FLo: 8°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Tue Sep 22 2026 
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Issued: 826 AM PDT Tue Sep 22 2026
Aviation
... Mostly a mix of VFR to MVFR ceilings across the terminals this morning with stratus across the interior. Ceilings will improve back to more widespread VFR across the area through late morning and into this afternoon. A weak frontal system moving into western Washington tonight into early Wednesday will bring another round of lower ceilings Wednesday morning, with most guidance suggesting ceilings lowering to low-end VFR or MVFR. Northeast winds this morning between 4-8 kt will transi...