Severe Thunderstorms and Heavy Rainfall in the Ohio Valley and Great Lakes; Winter Weather in the Northern Tier

A slow moving front extending from the Great Lakes region into the Plains will bring snow, wintry mix, and ice accumulation north of the front from the Upper Midwest into New England, and severe weather and heavy rain south of the front. Scattered severe thunderstorms with damaging gusts, severe hail, and heavy rain are expected across parts of the Great Lakes/Midwest through tonight. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

Lat: 48.05517°NLon: 122.81159°WElev: 105.0ft.

Clear

52°F

11°C

Humidity 46%
Wind Speed ESE 5 MPH
Barometer 29.79 in (1008.81 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 31 Mar 02:15 PM PDT
Extended Forecast for

4 Miles WSW Chimacum WA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 53. Calm wind.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 38. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 23 mph.

    Low: 38 °F

    Slight Chance
    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly after 8am.  High near 50. South southeast wind 10 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 37. West northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 53. Calm wind.
Tonight
A 50 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Light south southeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 23 mph.
Wednesday
Rain, mainly after 8am. High near 50. South southeast wind 10 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Low around 37. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 38.
Friday
Mostly cloudy, with a high near 55.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Chimacum WA
 47.98°N 122.85°W (Elev. 600 ft)
11:27 am PDT Mar 31, 2026
2pm PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database