Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

DW8787 CHEHALIS (D8787)

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

NA

31°F

-1°C

Humidity 99%
Wind Speed WNW 0 MPH
Barometer 30.1 in (1019.3 mb)
Dewpoint 31°F (-1°C)
Visibility NA
Last update 02 Mar 06:15 AM PST
Extended Forecast for

4 Miles SSW Onalaska WA

  • Today

    Today: Areas of fog before 10am.  Otherwise, mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Rain likely, mainly after 4am.  Increasing clouds, with a low around 42. Calm wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tuesday

    Tuesday: Rain.  High near 51. Calm wind becoming south around 6 mph in the morning.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 43. Light south wind.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 49. Southwest wind 3 to 6 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 38. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 46. Chance of precipitation is 90%.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely.  Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Friday

    Friday: Rain likely.  Cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Tonight
Rain likely, mainly after 4am. Increasing clouds, with a low around 42. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 51. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Low around 43. Light south wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 49. Southwest wind 3 to 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 38. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 46. Chance of precipitation is 90%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39.
Friday
Rain likely. Cloudy, with a high near 49.
Friday Night
Rain likely. Cloudy, with a low around 43.
Saturday
Rain likely. Cloudy, with a high near 52.
Saturday Night
Rain likely. Cloudy, with a low around 39.
Sunday
Rain likely. Cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Onalaska WA
 46.54°N 122.75°W (Elev. 535 ft)
1:25 am PST Mar 2, 2026
6am PST Mar 2, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database