National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

Chehalis-Centralia Airport (KCLS)

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

Overcast

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 32°F (0°C)
Visibility 8.00 mi
Last update 18 Feb 01:55 AM PST
Extended Forecast for

Chehalis WA

  • Overnight

    Overnight: A slight chance of rain and snow showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 10%.

    Low: 29 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Wednesday

    Wednesday: Rain and snow showers likely before 3pm, then a chance of rain showers between 3pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 42. South wind 5 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Rain and snow showers, mainly before 2am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow showers before 10am. Partly sunny, with a high near 43. North wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 43 °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 24. Calm wind. Chance of precipitation is 10%.

    Low: 24 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers and
    Patchy Fog

  • Friday

    Friday: A slight chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 43. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 43 °F

    Chance
    Rain/Snow and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of rain before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 32. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 32 °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 36.

    Low: 36 °F

    Rain Likely

Detailed Forecast

Overnight
A slight chance of rain and snow showers after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 10%.
Wednesday
Rain and snow showers likely before 3pm, then a chance of rain showers between 3pm and 4pm, then a chance of rain and snow showers after 4pm. Mostly cloudy, with a high near 42. South wind 5 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain and snow showers, mainly before 2am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers before 10am. Partly sunny, with a high near 43. 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 24. Calm wind. Chance of precipitation is 10%.
Friday
A slight chance of snow before 10am, then a chance of rain and snow between 10am and 1pm, then a chance of rain after 1pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 43. 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 32. 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 36.
Sunday
Rain likely. Mostly cloudy, with a high near 52.
Sunday Night
Rain. Cloudy, with a low around 38.
Monday
Rain. Cloudy, with a high near 50.
Monday Night
Rain. Mostly cloudy, with a low around 37.
Tuesday
Rain. Mostly cloudy, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.68°N 122.98°W (Elev. 180 ft)
Last Update:
1:26 am PST Feb 18, 2026
Forecast Valid:
2am PST Feb 18, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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