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

Olympia, Olympia Airport (KOLM)

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

Clear

43°F

6°C

Humidity 38%
Wind Speed NNE 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 30 Mar 08:00 PM PDT
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph becoming calm  after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 57 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 11pm.  Mostly cloudy, with a low around 39. South southwest wind around 6 mph.

    Low: 39 °F

    Chance Rain

  • Wednesday

    Wednesday: Rain.  High near 50. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 35. South southwest wind 5 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain then
    Rain Likely

  • Thursday

    Thursday: Rain likely, mainly after 11am.  Partly sunny, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. North northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Mostly cloudy, with a high near 57. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 40 percent chance of rain after 11pm. Mostly cloudy, with a low around 39. South southwest wind around 6 mph.
Wednesday
Rain. High near 50. South southeast wind 5 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain. Low around 35. South southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain likely, mainly after 11am. Partly sunny, with a high near 54. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Partly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 38.
Monday
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)
11:27 am PDT Mar 30, 2026
8pm PDT Mar 30, 2026-6pm PDT Apr 6, 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