Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

50°F

10°C

Humidity 89%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 31 Jan 12:09 AM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly after 3am.  Mostly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 10am, then a slight chance of rain after 4pm.  Cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind.  Chance of precipitation is 30%.

    High: 58 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 44. Light south southeast wind.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Rain.  High near 51. South wind around 7 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain.  Low around 44. South wind 3 to 5 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Rain then
    Rain Likely

  • Monday

    Monday: Rain, mainly before 4pm.  High near 51. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: A 50 percent chance of rain before 10pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 59.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 3am. Mostly cloudy, with a low around 45. Calm wind.
Saturday
A chance of rain before 10am, then a slight chance of rain after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 58. Calm wind. Chance of precipitation is 30%.
Saturday Night
A 50 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 44. Light south southeast wind.
Sunday
Rain. High near 51. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain. Low around 44. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain, mainly before 4pm. High near 51. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 50 percent chance of rain before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 41.
Tuesday
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 38.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 59.
Thursday Night
Patchy fog. Otherwise, partly cloudy, with a low around 37.
Friday
A slight chance of rain. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
7:01 pm PST Jan 30, 2026
12am PST Jan 31, 2026-6pm PST Feb 6, 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