Dangerous Fire Conditions in the Southern High Plains; Severe Weather from the Great Lakes into Central/Southern Plains; Late-Season Mountain Snow

Dry and windy conditions will produce dangerous fire weather conditions across the southern High Plains into the Southwest. Severe storms, including very large hail, strong tornadoes, and winds, are expected from the Great Lakes into the central/southern Plains. Heavy late-season snow and cold temperatures are expected in the northern to central Rockies. Heat is spreading across the eastern U.S.. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

44°F

7°C

Humidity 97%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 18 May 04:09 AM PDT
Extended Forecast for

5 Miles SE Napavine WA

  • Today

    Today: Areas of fog before 8am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Patchy fog after 1am.  Otherwise, increasing clouds, with a low around 42. Northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 42 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Areas of fog before 8am.  Otherwise, mostly cloudy, with a high near 66. Light and variable wind.

    High: 66 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 45. West northwest wind around 6 mph becoming calm  in the evening.

    Low: 45 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am.  Otherwise, partly sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before 8am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 66. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, increasing clouds, with a low around 42. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Areas of fog before 8am. Otherwise, mostly cloudy, with a high near 66. Light and variable wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 45. West northwest wind around 6 mph becoming calm in the evening.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 70. Calm wind becoming north northwest around 5 mph in the afternoon.
Wednesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 45.
Thursday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Napavine WA
 46.53°N 122.81°W (Elev. 417 ft)
12:55 am PDT May 18, 2026
4am PDT May 18, 2026-6pm PDT May 24, 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