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

Olympia, Olympia Airport (KOLM)

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

Rain

48°F

9°C

Humidity 81%
Wind Speed WSW 6 MPH
Barometer 29.71 in (1006.1 mb)
Dewpoint 43°F (6°C)
Visibility 6.00 mi
Wind Chill45°F (7°C)
Last update 31 Mar 10:20 PM PDT
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: Rain, mainly after 2am.  Low around 39. South southwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain.  High near 50. South wind 8 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Mostly cloudy, with a low around 36. South southwest wind 5 to 9 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A 40 percent chance of rain.  Partly sunny, with a high near 53. West southwest wind 5 to 11 mph.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 36. South southwest wind 5 to 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 2am. Low around 39. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain. High near 50. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 36. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 53. West southwest wind 5 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 36. South southwest wind 5 to 10 mph.
Friday
Partly sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Partly sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.97°N 122.92°W (Elev. 200 ft)
8:17 pm PDT Mar 31, 2026
10pm PDT Mar 31, 2026-6pm PDT Apr 7, 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