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

Chehalis-Centralia Airport (KCLS)

Lat: 46.677°NLon: 122.9827°WElev: 177.0ft.

Clear

50°F

10°C

Humidity 81%
Wind Speed N 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 01 Mar 11:55 AM PST
Extended Forecast for

Chehalis WA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. Calm wind.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 59. Calm wind.

    High: 59 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 4am.  Patchy fog between 10pm and 1am.  Otherwise, increasing clouds, with a low around 43. Calm wind.

    Low: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Rain, mainly after 10am.  High near 51. South wind 6 to 9 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 43. 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. Chance of precipitation is 100%.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Cloudy, with a low around 39.

    Low: 39 °F

    Rain

  • Thursday

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

    High: 48 °F

    Rain

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. Calm wind.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Monday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 59. Calm wind.
Monday Night
A 30 percent chance of rain, mainly after 4am. Patchy fog between 10pm and 1am. Otherwise, increasing clouds, with a low around 43. Calm wind.
Tuesday
Rain, mainly after 10am. High near 51. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain. Low around 43. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. High near 49. Chance of precipitation is 100%.
Wednesday Night
Rain. Cloudy, with a low around 39.
Thursday
Rain. Cloudy, with a high near 48.
Thursday Night
Rain likely. Cloudy, with a low around 40.
Friday
Rain likely. Cloudy, with a high near 49.
Friday Night
Rain. Cloudy, with a low around 40.
Saturday
Rain. Cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Chehalis WA
 46.66°N 122.95°W (Elev. 420 ft)
7:00 am PST Mar 1, 2026
12pm PST Mar 1, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database