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

Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Periods of critical fire weather will persist from the central Rockies to the central Plains through the weekend as gusty winds and low relative humidity continue. Read More >

Hazardous Weather Conditions

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Overcast

55°F

13°C

Humidity 86%
Wind Speed SSW 9 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 20 Mar 02:54 AM PDT
Extended Forecast for

Tumwater WA

  • Overnight

    Overnight: Rain likely. Cloudy, with a low around 51. South southwest wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 51 °F

    Rain Likely

  • Friday

    Friday: Rain, mainly before 2pm. High near 56. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Rain

  • Friday Night

    Friday Night: A slight chance of rain before 7pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 37. West southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A slight chance of rain and snow showers before 11am, then a slight chance of rain showers. Partly sunny, with a high near 51. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 33. West wind 5 to 9 mph.

    Low: 33 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of rain. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain after 11pm. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Chance Rain

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 51. South southwest wind around 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before 2pm. High near 56. South southwest wind 9 to 11 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain before 7pm, then a slight chance of showers after midnight. Mostly cloudy, with a low around 37. West southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow showers before 11am, then a slight chance of rain showers. Partly sunny, with a high near 51. West wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of showers after 11pm. Partly cloudy, with a low around 33. West wind 5 to 9 mph.
Sunday
A 30 percent chance of rain. Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Mostly cloudy, with a high near 53.
Monday Night
A chance of rain after 11pm. Mostly cloudy, with a low around 39.
Tuesday
Rain. Cloudy, with a high near 52.
Tuesday Night
Rain. Mostly cloudy, with a low around 37.
Wednesday
Rain. Mostly cloudy, with a high near 50.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Thursday
A slight chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 47.01°N 122.93°W (Elev. 148 ft)
Last Update:
1:53 am PDT Mar 20, 2026
Forecast Valid:
3am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation