Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

Lat: 46.11553° N Lon: 122.89273° W Elev: 13.0 ft.

Clear

54°F

12°C

Humidity 62%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 09 Apr 11:35 PM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Partly cloudy. Lows in the upper 40s. Winds light.
Friday
Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Highs in the lower 70s. Winds light.
Friday Night
Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers after midnight. Patchy fog after midnight. Some thunderstorms may produce small hail in the evening. Lows in the upper 40s. Winds light. Chance of rain 80 percent. Rainfall amounts a tenth to a quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog in the morning. Showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Some thunderstorms may produce small hail in the afternoon. Highs in the lower 60s. Light and variable winds, becoming light in the afternoon. Chance of rain 80 percent.
Saturday Night
Mostly cloudy. A slight chance of showers in the evening. Lows in the mid 40s. Winds light. Chance of rain 20 percent.
Sunday
Mostly cloudy with a 40 percent chance of showers. Highs around 60.
Sunday Night
Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s.
Monday
Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s.
Monday Night
Mostly cloudy with a 20 percent chance of rain. Lows in the lower 40s.
Tuesday
Rain likely. Highs in the mid 50s. Chance of rain 70 percent.
Tuesday Night
Rain. Lows in the upper 30s. Chance of rain 80 percent.
Wednesday
Mostly cloudy with rain likely. Highs in the mid 50s. Chance of rain 70 percent.
Wednesday Night
Partly cloudy with a 20 percent chance of rain. Lows in the mid 30s.
Thursday
Mostly sunny with a 20 percent chance of rain. Highs in the upper 50s.



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1128 PM PDT Thu Apr 9 2026
 
 

Additional Resources

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Hourly Weather Forecast

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