Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Rain

50°F

10°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 29.73 in (1006.77 mb)
Dewpoint 48°F (9°C)
Visibility 7.00 mi
Last update 11 Apr 01:20 AM PDT
Detailed forecast for

Cowlitz County Lowlands

Overnight
Rain. Patchy fog. Lows in the upper 40s. Winds light. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch.
Saturday
Patchy fog in the morning. Cloudy with rain in the morning, then partly sunny with a chance of rain in the afternoon. Highs in the lower 60s. Winds light. Chance of rain 90 percent. Rainfall amounts a tenth to a quarter of an inch.
Saturday Night
Mostly cloudy. A chance of rain, mainly in the evening. Lows in the mid 40s. Winds light. Chance of rain 40 percent. Rainfall amounts less than a tenth of an inch.
Sunday
Mostly cloudy with a 50 percent chance of rain. Highs around 60. Winds light.
Sunday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s. West wind 5 to 10 mph.
Monday
Rain likely. Highs in the mid 50s. Chance of rain 70 percent.
Monday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the lower 40s.
Tuesday
Rain. Highs in the lower 50s. Chance of rain near 100 percent.
Tuesday Night
Rain. Lows in the upper 30s. Chance of rain near 100 percent.
Wednesday
Rain with a slight chance of thunderstorms. Highs in the lower 50s. Chance of rain 90 percent.
Wednesday Night
Mostly cloudy in the evening, then becoming partly cloudy. A 50 percent chance of rain. Lows in the mid 30s.
Thursday
Partly sunny with a 40 percent chance of rain. Highs in the mid 50s.
Thursday Night
Partly cloudy in the evening, then clearing. A 20 percent chance of rain. Lows in the mid 30s.
Friday
Mostly sunny with a 20 percent chance of rain. Highs in the lower 60s.



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1130 PM PDT Fri Apr 10 2026
 
 

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