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

42°F

6°C

Humidity 81%
Wind Speed WSW 2 MPH
Barometer 29.5 in (998.99 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 17 Feb 02:00 PM PST
Extended Forecast for

7 Miles NNE Onalaska WA

  • This Afternoon

    This Afternoon: Snow showers likely, mainly between 3pm and 4pm. Partly sunny, with a high near 37. South wind around 6 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers
    Likely

  • Tonight

    Tonight: A chance of snow showers before 2am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 27. Light south southeast wind. Chance of precipitation is 30%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers, mainly after 9am. High near 36. Wind chill values between 23 and 31. South wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    High: 36 °F

    Chance Snow
    Showers then
    Snow Showers

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 10pm. Low around 28. South southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 40 percent chance of snow showers. Partly sunny, with a high near 37. North wind around 6 mph. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A chance of snow showers before 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers

  • Friday

    Friday: Snow likely, mainly after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Snow Likely

  • Friday Night

    Friday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Snow showers likely, mainly between 3pm and 4pm. Partly sunny, with a high near 37. South wind around 6 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow showers before 2am, then a chance of snow showers after 3am. Mostly cloudy, with a low around 27. Light south southeast wind. Chance of precipitation is 30%. New snow accumulation of around an inch possible.
Wednesday
Snow showers, mainly after 9am. High near 36. Wind chill values between 23 and 31. South wind around 7 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Wednesday Night
Snow showers, mainly before 10pm. Low around 28. South southeast wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday
A 40 percent chance of snow showers. Partly sunny, with a high near 37. North wind around 6 mph. New snow accumulation of less than a half inch possible.
Thursday Night
A chance of snow showers before 4am, then a chance of snow after 4am. Mostly cloudy, with a low around 24. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Snow likely, mainly after 10am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31.
Saturday
Snow likely before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Mostly cloudy, with a high near 45.
Saturday Night
Rain likely before 10pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 35.
Sunday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 48.
Sunday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 36.
Monday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NNE Onalaska WA
 46.66°N 122.63°W (Elev. 1601 ft)
Last Update:
1:26 pm PST Feb 17, 2026
Forecast Valid:
2pm PST Feb 17, 2026-6pm PST Feb 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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