Critical Fire Weather in the High Plains and Midwest; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central/southern High Plains and portions of the Midwest. Two Pacific storms will continue to bring heavy mountain snow and gusty winds to the western U.S. through Thursday. A swath of wintry weather, including heavy snow and a wintry mix, is expected from the Northern Plains to New England. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Mist

32°F

0°C

Humidity 100%
Wind Speed WSW 3 MPH
Barometer 29.66 in (1004.4 mb)
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Last update 18 Feb 05:15 AM PST
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: A slight chance of rain and snow showers.  Mostly cloudy, with a low around 28. Calm wind.  Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 10am, then rain showers likely.  Mostly cloudy, with a high near 41. South wind around 6 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, possibly mixed with rain, mainly before 2am.  Cloudy, with a low around 29. Calm wind.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: A slight chance of rain and snow showers before 10am.  Partly sunny, with a high near 42. North wind 3 to 6 mph.  Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow showers between 4am and 5am, then a slight chance of snow after 5am.  Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 23. Calm wind.  Chance of precipitation is 10%.

    Low: 23 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers and
    Patchy Fog

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain.  Patchy fog before 7am.  Otherwise, partly sunny, with a high near 42. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 42 °F

    Chance Snow
    and Patchy
    Fog then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow.  Mostly cloudy, with a low around 31. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then rain likely.  Cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Overnight
A slight chance of rain and snow showers. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Wednesday
A chance of rain and snow showers before 10am, then rain showers likely. Mostly cloudy, with a high near 41. South wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Snow showers likely, possibly mixed with rain, mainly before 2am. Cloudy, with a low around 29. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of rain and snow showers before 10am. Partly sunny, with a high near 42. North wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow showers between 4am and 5am, then a slight chance of snow after 5am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 23. Calm wind. Chance of precipitation is 10%.
Friday
A chance of snow before 1pm, then a chance of rain. Patchy fog before 7am. Otherwise, partly sunny, with a high near 42. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 10am, then rain likely. Cloudy, with a high near 48.
Saturday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 35.
Sunday
Rain likely. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Cloudy, with a low around 37.
Monday
Rain. Cloudy, with a high near 48.
Monday Night
Rain. Mostly cloudy, with a low around 36.
Tuesday
Rain. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
1:26 am PST Feb 18, 2026
5am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database