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

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Olympia, Olympia Airport (KOLM)

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

Mostly Cloudy

63°F

17°C

Humidity 77%
Wind Speed S 5 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 22 Aug 11:20 PM PDT
Extended Forecast for

Tumwater WA

  • Tonight

    Tonight: Cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 76 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. Light north wind.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Patchy smoke after 4pm. Mostly sunny, with a high near 83. Light north northeast wind increasing to 5 to 10 mph in the morning.

    High: 83 °F

    Mostly Sunny
    then Patchy
    Smoke

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 57. Calm wind.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 76. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53. Light north wind.
Monday
Patchy smoke after 4pm. Mostly sunny, with a high near 83. Light north northeast wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 56. North northeast wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 76.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 49.
Friday
Partly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Tumwater WA
 46.99°N 122.89°W (Elev. 135 ft)
Last Update:
11:26 pm PDT Aug 22, 2026
Forecast Valid:
11pm PDT Aug 22, 2026-6pm PDT Aug 29, 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