Severe Thunderstorms in Portions of the Mississippi Valley and Great Lakes

A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

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

Clear

36°F

2°C

Humidity 86%
Wind Speed N 0 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 31 Mar 12:55 AM PDT
Extended Forecast for

Chimacum WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 2am.  Mostly cloudy, with a low around 39. Calm wind becoming south southeast 5 to 9 mph after midnight.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday

    Wednesday: Rain.  High near 51. South southeast wind 10 to 13 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain, mainly before 11pm.  Low around 37. South wind 5 to 7 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 40 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Friday Night

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

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. Calm wind.
Tuesday
Partly sunny, with a high near 53. Calm wind.
Tuesday Night
A 40 percent chance of rain after 2am. Mostly cloudy, with a low around 39. Calm wind becoming south southeast 5 to 9 mph after midnight.
Wednesday
Rain. High near 51. South southeast wind 10 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain, mainly before 11pm. Low around 37. South wind 5 to 7 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 40 percent chance of rain, mainly before 11am. Partly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Chimacum WA
 48.02°N 122.76°W (Elev. 194 ft)
11:27 pm PDT Mar 30, 2026
1am PDT Mar 31, 2026-6pm PDT Apr 6, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database