Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

30°F

-1°C

Humidity 99%
Wind Speed ENE 0 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 30°F (-1°C)
Visibility NA
Last update 10 Mar 01:45 AM PDT
Extended Forecast for

Onalaska WA

  • Overnight

    Overnight: A 40 percent chance of snow, mainly before 5am.  Mostly cloudy, with a steady temperature around 32. Calm wind.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow

  • Tuesday

    Tuesday: A slight chance of snow before 8am, then rain, possibly mixed with snow.  High near 42. Calm wind becoming south 5 to 7 mph in the morning.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain.  Low around 36. South wind around 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 48. South wind 5 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 40. South southwest wind 10 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 40 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 39. Chance of precipitation is 100%.

    Low: 39 °F

    Rain

  • Friday

    Friday: Rain.  Cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Cloudy, with a low around 35.

    Low: 35 °F

    Rain

Detailed Forecast

Overnight
A 40 percent chance of snow, mainly before 5am. Mostly cloudy, with a steady temperature around 32. Calm wind. Total nighttime snow accumulation of less than a half inch possible.
Tuesday
A slight chance of snow before 8am, then rain, possibly mixed with snow. High near 42. Calm wind becoming south 5 to 7 mph in the morning. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 36. South wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 48. South wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 40. South southwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Thursday
Rain. High near 46. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain. Low around 39. Chance of precipitation is 100%.
Friday
Rain. Cloudy, with a high near 48.
Friday Night
Rain. Cloudy, with a low around 35.
Saturday
A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 47.
Saturday Night
A chance of rain and snow. Cloudy, with a low around 35.
Sunday
Rain and snow likely. Cloudy, with a high near 48.
Sunday Night
Rain. Cloudy, with a low around 42.
Monday
Rain likely. Cloudy, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
8:01 pm PDT Mar 9, 2026
2am PDT Mar 10, 2026-6pm PDT Mar 16, 2026
 
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