Chehalis Indian Reservation, WA Weather Forecast
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Chehalis Indian Reservation Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Mostly Cloudy | Mostly Sunny | Mostly Cloudy | Partly Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Rain | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 57°FLo: 14°C | Hi: 70°FHi: 21°C | Lo: 53°FLo: 12°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Mon Aug 17 2026 

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Issued: 845 PM PDT Mon Aug 17 2026
Aviation
... VFR conditions remain in place this evening for much of W WA, aside from the coast where IFR to LIFR cigs have already developed. Lower cigs will move eastward through the night with at least MVFR conditions expected at remaining terminals by early Tuesday morning, although IFR to LIFR conditions are possible for CLM and PWT. Some reductions in vis will also be possible during this time as well. Cigs expected to lift with widespread VFR conditions return...
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