Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Rain

39°F

4°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 39°F (4°C)
Visibility 2.00 mi
Last update 13 Mar 01:35 AM PDT
Extended Forecast for

Chehalis WA

Flood Watch March 13, 07:00am until March 15, 05:00pm
Click here for hazard details and duration
Flood Watch
  • Overnight

    Overnight: Rain, possibly mixed with snow.  Low around 34. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 34 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow.  High near 41. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow.  Low around 30. Calm wind.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm.  Partly sunny, with a high near 48. West northwest wind 3 to 7 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow before 11am, then rain likely.  Cloudy, with a high near 46. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: A chance of rain.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Chance Rain

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Low around 34. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain and snow. High near 41. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain and snow. Low around 30. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.
Saturday
A chance of snow before 11am, then a slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Partly sunny, with a high near 48. West northwest wind 3 to 7 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 30. West wind 5 to 7 mph becoming calm in the evening.
Sunday
A chance of rain and snow before 11am, then rain likely. Cloudy, with a high near 46. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 39. Chance of precipitation is 70%.
Monday
A chance of rain. Mostly cloudy, with a high near 57.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 59.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 45.
Thursday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
8:01 pm PDT Mar 12, 2026
1am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database