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

DW8787 CHEHALIS (D8787)

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

NA

37°F

3°C

Humidity 99%
Wind Speed NW 0 MPH
Barometer 30.11 in (1019.64 mb)
Dewpoint 37°F (3°C)
Visibility NA
Last update 13 Mar 01:30 AM PDT
Extended Forecast for

Onalaska 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 35. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow.  High near 40. Calm wind.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow before 8pm, then rain between 8pm and 11pm, then rain and snow likely after 11pm.  Low around 30. Calm wind.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm.  Partly sunny, with a high near 46. Calm wind becoming west northwest around 5 mph in the afternoon.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. West northwest wind around 5 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 70%. 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: Rain likely, mainly before 11am.  Mostly cloudy, with a high near 57.

    High: 57 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Rain, possibly mixed with snow. Low around 35. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain, possibly mixed with snow. High near 40. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow before 8pm, then rain between 8pm and 11pm, then rain and snow likely after 11pm. Low around 30. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 46. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 30. West northwest wind around 5 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 70%. 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
Rain likely, mainly before 11am. Mostly cloudy, with a high near 57.
Monday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain. Mostly cloudy, with a high near 60.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 45.
Wednesday
Rain. Cloudy, with a high near 58.
Wednesday Night
Rain likely. Cloudy, with a low around 45.
Thursday
Rain likely. Mostly cloudy, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
8:01 pm PDT Mar 12, 2026
2am PDT Mar 13, 2026-6pm PDT Mar 19, 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