Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

34°F

1°C

Humidity 100%
Wind Speed WNW 0 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 34°F (1°C)
Visibility NA
Last update 14 Mar 03:15 AM PDT
Extended Forecast for

Onalaska WA

Flood Watch March 14, 03:39am until March 15, 05:00pm
Flood Warning until March 14, 09:09pm
Flood Warning March 14, 03:39am until March 14, 12:31pm
Click here for hazard details and duration
Flood Watch
Flood Warning
Flood Warning
  •  
    Flood Watch March 14, 03:39am until March 15, 05:00pm
    Flood Warning until March 14, 09:09pm
    Flood Warning March 14, 03:39am until March 14, 12:31pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 30 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. West northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. West wind around 5 mph becoming calm  in the evening.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of rain after 11am.  Mostly cloudy, with a high near 47. Calm wind.

    High: 47 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm.  Cloudy, with a low around 40. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Rain likely.  Cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 54.

    High: 54 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 30. Calm wind.
Saturday
Mostly sunny, with a high near 45. West northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 28. West wind around 5 mph becoming calm in the evening.
Sunday
A 50 percent chance of rain after 11am. Mostly cloudy, with a high near 47. Calm wind.
Sunday Night
Rain likely, mainly before 11pm. Cloudy, with a low around 40. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely. Cloudy, with a high near 56. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 54.
Tuesday Night
Rain. Cloudy, with a low around 47.
Wednesday
Rain. Cloudy, with a high near 55.
Wednesday Night
Rain. Cloudy, with a low around 48.
Thursday
Rain. Cloudy, with a high near 59.
Thursday Night
Rain likely. Mostly cloudy, with a low around 48.
Friday
A chance of rain. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Onalaska WA
 46.58°N 122.74°W (Elev. 600 ft)
2:25 am PDT Mar 14, 2026
3am PDT Mar 14, 2026-6pm PDT Mar 20, 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