Critical Fire Weather in the Plains; Severe Thunderstorms in the Upper Mississippi Valley and Great Lakes

Anomalously warm, dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the Intermountain West into the central and southern Plains today. Strong to severe thunderstorms are possible across portions of the upper Mississippi River Valley to the Great Lakes tonight through the day Tuesday. Damaging gusts, hail, and heavy rainfall are likely. Read More >

Current conditions at

Southwest Washington Regional Airport (KKLS)

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

Clear

34°F

1°C

Humidity 93%
Wind Speed NNW 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 30 Mar 05:35 AM PDT
Detailed forecast for

Cowlitz County Lowlands

Today
Widespread frost this morning. Sunny. Highs in the mid 50s. North wind 5 to 10 mph.
Tonight
Partly cloudy in the evening, then becoming mostly cloudy. Widespread frost after midnight. Lows in the lower 30s. North wind 5 to 10 mph.
Tuesday
Widespread frost in the morning. Partly sunny. Highs in the upper 50s. Winds light.
Tuesday Night
Mostly cloudy. A chance of rain in the evening, then rain after midnight. Lows around 40. Winds light. Chance of rain 90 percent.
Wednesday
Rain. Highs around 50. South wind 10 to 15 mph. Chance of rain near 100 percent.
Wednesday Night
Rain. Lows in the upper 30s. Chance of rain near 100 percent.
Thursday
Rain. Highs in the mid 50s. Chance of rain 80 percent.
Thursday Night
Mostly cloudy in the evening, then clearing. A 30 percent chance of rain. Lows in the upper 30s.
Friday
Partly sunny. Highs around 60.
Friday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 30s.
Saturday
Mostly sunny. Highs in the mid 60s.
Saturday Night
Partly cloudy. Lows around 40.
Sunday
Mostly sunny. Highs in the mid 60s.



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502 AM PDT Mon Mar 30 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database