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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

NA

41°F

5°C

Humidity 79%
Wind Speed E 0 MPH
Barometer 29.51 in (999.32 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 17 Feb 04:00 PM PST
Extended Forecast for

5 Miles SE Onalaska WA

  • This Afternoon

    This Afternoon: A chance of rain and snow showers. Partly sunny, with a high near 41. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow showers. High near 40. Light south wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow showers before midnight, then a chance of snow showers. Low around 25. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Thursday

    Thursday: A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Friday

    Friday: Snow likely before 1pm, then rain likely, possibly mixed with snow between 1pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

This Afternoon
A chance of rain and snow showers. Partly sunny, with a high near 41. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of rain and snow showers before 4am, then a slight chance of snow showers. Mostly cloudy, with a low around 27. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow showers. High near 40. Light south wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow showers before midnight, then a chance of snow showers. Low around 25. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow showers before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. Calm wind. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of rain and snow showers before 7pm, then a chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Snow likely before 1pm, then rain likely, possibly mixed with snow between 1pm and 4pm, then rain likely after 4pm. Mostly cloudy, with a high near 42. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain likely before 10pm, then a chance of rain and snow. Mostly cloudy, with a low around 31.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 10am. Mostly cloudy, with a high near 48.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 35.
Sunday
Rain. Mostly cloudy, with a high near 51.
Sunday Night
Rain. Mostly cloudy, with a low around 35.
Monday
Rain. Mostly cloudy, with a high near 47.
Monday Night
Rain. Mostly cloudy, with a low around 35.
Tuesday
Rain. Mostly cloudy, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Onalaska WA
 46.53°N 122.63°W (Elev. 600 ft)
Last Update:
1:26 pm PST Feb 17, 2026
Forecast Valid:
4pm PST Feb 17, 2026-6pm PST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation