Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

light rain,mist

45°F

7°C

Humidity 93%
Wind Speed NW 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 43°F (6°C)
Visibility 2.50 mi
Wind Chill42°F (6°C)
Last update 13 Mar 01:23 PM PDT
Detailed forecast for

Cowlitz County Lowlands

This Afternoon
Rain. Highs around 50. Winds light. Chance of rain near 100 percent. Rainfall amounts a half of an inch to one inch.
Tonight
Rain, mainly in the evening. Lows in the lower 30s. Winds light. Chance of rain near 100 percent. Rainfall amounts a half to three quarters of an inch.
Saturday
Mostly sunny. A slight chance of rain showers in the afternoon. Snow level 500 feet. Highs in the upper 40s. Northwest wind 5 to 10 mph. Chance of rain 20 percent.
Saturday Night
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. Northwest wind 5 to 10 mph in the evening, becoming light and variable.
Sunday
Cloudy. A chance of rain in the afternoon. Highs around 50. Winds light. Chance of rain 50 percent.
Sunday Night
Cloudy with a 50 percent chance of rain. Lows in the lower 40s.
Monday
Rain likely. Highs around 60. Chance of rain 70 percent.
Monday Night
Mostly cloudy with a 50 percent chance of rain. Lows in the mid 40s.
Tuesday
Rain. Highs in the upper 50s. Chance of rain 90 percent.
Tuesday Night
Rain likely. Lows in the upper 40s. Chance of rain 70 percent.
Wednesday
Rain likely. Highs in the lower 60s. Chance of rain 70 percent.
Wednesday Night
Rain likely. Lows around 50. Chance of rain 70 percent.
Thursday
Rain likely. Highs in the lower 60s. Chance of rain 70 percent.



Basemap Options
Click map to change the forecast location
Loading map...
1128 AM PDT Fri Mar 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database