



Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies
A storm system moving eastward will bring widespread showers and thunderstorms over parts of the Northern Plains to the Southern Plains and Upper Great Lakes through Friday. Heavy snow will continue over parts of the Northern Rockies. Read More >
Current conditions at
Walla Walla Regional Airport (KALW)
Lat: 46.09462°NLon: 118.2858°WElev: 1168.0ft.
Clear
43°F
6°C
Humidity | 75% |
Wind Speed | E 8 MPH |
Barometer | 30.12 in (1019.98 mb) |
Dewpoint | 36°F (2°C) |
Visibility | 10.00 mi |
Wind Chill | 38°F (3°C) |
Last update | 16 Oct 12:35 AM PDT |
Extended Forecast for
Dayton WA
Overnight
Low: 37 °F
Frost
Thursday
High: 62 °F
Frost then
Increasing
CloudsThursday Night
Low: 41 °F
Partly Cloudy
Friday
High: 62 °F
Mostly Sunny
and BreezyFriday Night
Low: 36 °F
Mostly Clear
Saturday
High: 64 °F
Mostly Sunny
Saturday Night
Low: 44 °F
Showers
LikelySunday
High: 59 °F
Showers and
BreezySunday Night
Low: 39 °F
Showers
Likely then
Chance
Showers
Detailed Forecast
Overnight
Widespread frost, mainly after 5am. Otherwise, mostly clear, with a steady temperature around 37. South wind around 5 mph.
Thursday
Widespread frost, mainly before 8am. Otherwise, increasing clouds, with a high near 62. South wind 5 to 10 mph becoming southwest in the morning.
Thursday Night
Partly cloudy, with a low around 41. Southwest wind 14 to 17 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 36. South wind 9 to 16 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Showers. High near 59. Breezy. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
A slight chance of showers. Mostly sunny, with a high near 58.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 39.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Dayton WA
46.32°N 117.98°W (Elev. 1768 ft)
46.32°N 117.98°W (Elev. 1768 ft)
10:20 pm PDT Oct 15, 2025
12am PDT Oct 16, 2025-6pm PDT Oct 22, 2025