Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

46°F

8°C

Humidity 83%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Feb 08:09 PM PST
Extended Forecast for

2 Miles ENE Napavine WA

  • Tonight

    Tonight: A 20 percent chance of rain after 1am.  Patchy fog before midnight.  Otherwise, increasing clouds, with a low around 35. Calm wind.

    Low: 35 °F

    Patchy Fog
    then Slight
    Chance Rain

  • Friday

    Friday: Rain, mainly after 11am.  High near 45. South wind 3 to 5 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Chance Rain
    then Rain

  • Friday Night

    Friday Night: Rain.  Low around 36. Calm wind.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Rain Likely

  • Saturday

    Saturday: A 50 percent chance of rain.  Patchy fog before 10am.  Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday Night

    Saturday Night: A chance of rain before 4am, then a slight chance of rain and snow.  Mostly cloudy, with a low around 32. Calm wind.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Sunday

    Sunday: A slight chance of rain and snow before 10am, then a slight chance of rain.  Mostly sunny, with a high near 46. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow after 4am.  Patchy fog after 9pm.  Otherwise, partly cloudy, with a low around 29. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 29 °F

    Patchy Fog
    then Chance
    Rain/Snow and
    Patchy Fog

  • Washington's Birthday

    Washington's Birthday: A chance of rain and snow before 10am, then rain.  Mostly cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    Likely then
    Rain

  • Monday Night

    Monday Night: Rain before 10pm, then rain likely, possibly mixed with snow.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain/Snow

Detailed Forecast

Tonight
A 20 percent chance of rain after 1am. Patchy fog before midnight. Otherwise, increasing clouds, with a low around 35. Calm wind.
Friday
Rain, mainly after 11am. High near 45. South wind 3 to 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 36. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 50 percent chance of rain. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Saturday Night
A chance of rain before 4am, then a slight chance of rain and snow. Mostly cloudy, with a low around 32. Calm wind. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
A slight chance of rain and snow before 10am, then a slight chance of rain. Mostly sunny, with a high near 46. Chance of precipitation is 20%.
Sunday Night
A chance of rain and snow after 4am. Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 29. Chance of precipitation is 30%. Little or no snow accumulation expected.
Washington's Birthday
A chance of rain and snow before 10am, then rain. Mostly cloudy, with a high near 43.
Monday Night
Rain before 10pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31.
Tuesday
Rain likely, possibly mixed with snow before 10am, then rain. Mostly cloudy, with a high near 42.
Tuesday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31.
Wednesday
Rain, possibly mixed with snow. Cloudy, with a high near 42.
Wednesday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 31.
Thursday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 42.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Napavine WA
 46.59°N 122.86°W (Elev. 400 ft)
7:02 pm PST Feb 12, 2026
8pm PST Feb 12, 2026-6pm PST Feb 19, 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