
Storm Systems Continue to Impact the Pacific Northwest; Lake Effect Snow Continues
A second Pacific cold front will cross the Pacific Northwest Wednesday followed by another atmospheric river. Each of these features will bring additional periods of gusty winds, mountain snow, and heavy to excessive rainfall with renewed flooding. Heavy lake effect snow continues into Tuesday east of Lakes Erie and Ontario. Read More >
Hazardous Weather Conditions
Current conditions at
Southwest Washington Regional Airport (KKLS)
Lat: 46.11553°NLon: 122.89273°WElev: 13.0ft.
Overcast
54°F
12°C
| Humidity | 76% |
| Wind Speed | S 4 MPH |
| Barometer | 30.09 in (1018.96 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 15 Dec 07:20 PM PST |
Extended Forecast for
Kelso WA
Flood Watch December 18, 04:00am until December 20, 04:00am
Tonight
Low: 47 °F
Chance Rain
then RainTuesday

High: 56 °F
Rain
Tuesday Night

Low: 42 °F
Showers and
BreezyWednesday

High: 49 °F
Showers
Wednesday Night

Low: 41 °F
Rain
Thursday

High: 51 °F
Rain
Thursday Night

Low: 41 °F
Rain
Friday

High: 47 °F
Rain
Friday Night

Low: 38 °F
Rain Likely
Detailed Forecast
Tonight
Rain, mainly after 1am. Low around 47. South southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 56. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm before 1am, then rain between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 42. Breezy, with a south wind 16 to 20 mph becoming west after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Rain and possibly a thunderstorm before 10am, then showers and possibly a thunderstorm between 10am and 4pm, then rain likely and possibly a thunderstorm after 4pm. High near 49. Southwest wind 11 to 13 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain. Low around 41. South southeast wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 51. Chance of precipitation is 100%.
Thursday Night
Rain. Low around 41. Chance of precipitation is 90%.
Friday
Rain. Mostly cloudy, with a high near 47.
Friday Night
Rain likely. Mostly cloudy, with a low around 38.
Saturday
Rain likely. Mostly cloudy, with a high near 46.
Saturday Night
Rain likely. Mostly cloudy, with a low around 39.
Sunday
A chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
Rain likely. Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 48.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Kelso WA
46.12°N 122.91°W (Elev. 52 ft)
46.12°N 122.91°W (Elev. 52 ft)
6:41 pm PST Dec 15, 2025
7pm PST Dec 15, 2025-6pm PST Dec 22, 2025



