National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

NA

51°F

11°C

Humidity 61%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 28 Feb 12:09 PM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 52. North wind around 7 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 33. Light north northwest wind.

    Low: 33 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, partly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Areas Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Patchy Fog

  • Monday

    Monday: A 20 percent chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind.

    High: 57 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A 30 percent chance of rain after 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 38.

    Low: 38 °F

    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 51. Chance of precipitation is 80%.

    High: 51 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

  • Wednesday

    Wednesday: Rain. Cloudy, with a high near 49.

    High: 49 °F

    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 52. North wind around 7 mph.
Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 33. Light north northwest wind.
Sunday
Areas of fog before 9am. Otherwise, partly sunny, with a high near 57. Calm wind.
Sunday Night
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 34. Calm wind.
Monday
A 20 percent chance of rain. Patchy fog before 10am. Otherwise, mostly sunny, with a high near 57. Calm wind.
Monday Night
A 30 percent chance of rain after 4am. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 38.
Tuesday
Rain, mainly after 10am. High near 51. Chance of precipitation is 80%.
Tuesday Night
Rain. Cloudy, with a low around 42.
Wednesday
Rain. Cloudy, with a high near 49.
Wednesday Night
Rain, mainly before 10pm. Mostly cloudy, with a low around 39.
Thursday
Rain likely. Cloudy, with a high near 48.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 38.
Friday
Rain likely. Cloudy, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
Last Update:
7:01 am PST Feb 28, 2026
Forecast Valid:
1pm PST Feb 28, 2026-6pm PST Mar 6, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation