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Onalaska, WA Weather Forecast
Onalaska, WA Weather Forecast Date: 236 AM PDT Tue Oct 20 2026
The area/counties/county of: Foothills And Valleys Of The Thurston And Lewis County Cascades, including the cities of: Randle, Packwood, and Morton.or toggle through each period.
Today... Mostly sunny. Patchy fog and frost in the morning. Highs in the 60s. North wind to 10 mph.
Tonight... Mostly clear. Lows in the mid 30s to lower 40s. Light wind.
Wednesday... Sunny. Highs in the mid 60s to lower 70s. Light wind.
Wednesday Night... Mostly clear. Lows in the upper 30s to mid 40s. Light wind.
Thursday... Partly sunny. Highs in the upper 50s. Light wind becoming northwest to 10 mph in the afternoon.
Thursday Night... Mostly cloudy. A chance of rain showers in the evening. Lows in the mid to upper 30s.
Friday... Mostly sunny. Highs in the mid to upper 50s.
Friday Night... Partly cloudy. Lows in the upper 20s to mid 30s.
Saturday... Mostly cloudy. A slight chance of rain in the morning, then a chance of rain in the afternoon. Highs in the mid 50s.
Saturday Night... Mostly cloudy with rain likely in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the 30s.
Sunday... Mostly cloudy with a chance of rain. Highs in the upper 50s.
Sunday Night... Partly cloudy with a slight chance of rain. Lows in the lower to mid 30s.
POP = Probability of Precipitation
Onalaska Radar Loop
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