National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. Read More >

Hazardous Weather Conditions

Current conditions at

Olympia, Olympia Airport (KOLM)

Lat: 46.97333°NLon: 122.90333°WElev: 203.0ft.

Rain

40°F

4°C

Humidity 92%
Wind Speed SSW 5 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 38°F (3°C)
Visibility 8.00 mi
Wind Chill36°F (2°C)
Last update 12 Mar 05:54 PM PDT
Extended Forecast for

Tumwater WA

Flood Watch March 13, 07:00am until March 15, 05:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Rain before 8pm, then rain, possibly mixed with snow. Low around 33. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 33 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow. High near 40. Light and variable wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow. Low around 29. Light southwest wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow

  • Saturday

    Saturday: A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 48. Wind chill values between 25 and 35 early. West southwest wind 3 to 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 30. West wind 5 to 8 mph becoming calm in the evening. Little or no snow accumulation expected.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow before 11am, then rain likely. Cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 11am. Cloudy, with a high near 56.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Rain before 8pm, then rain, possibly mixed with snow. Low around 33. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.
Friday
Rain and snow. High near 40. Light and variable wind. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow. Low around 29. Light southwest wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
A chance of snow before 11am, then a chance of rain and snow between 11am and 2pm, then a chance of rain after 2pm. Partly sunny, with a high near 48. Wind chill values between 25 and 35 early. West southwest wind 3 to 8 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday Night
A 30 percent chance of snow after 5am. Mostly cloudy, with a low around 30. West wind 5 to 8 mph becoming calm in the evening. Little or no snow accumulation expected.
Sunday
A chance of rain and snow before 11am, then rain likely. Cloudy, with a high near 45. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
Rain likely, mainly before 11am. Cloudy, with a high near 56.
Monday Night
A chance of rain. Mostly cloudy, with a low around 40.
Tuesday
Rain likely, mainly after 11am. Mostly cloudy, with a high near 60.
Tuesday Night
Rain likely. Cloudy, with a low around 44.
Wednesday
Rain. Cloudy, with a high near 58.
Wednesday Night
Rain. Cloudy, with a low around 44.
Thursday
Rain likely. Mostly cloudy, with a high near 58.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
Last Update:
2:26 pm PDT Mar 12, 2026
Forecast Valid:
6pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation