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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Hazardous Weather Conditions

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

Lat: 47.15°NLon: 122.48333°WElev: 322.0ft.

Clear

71°F

22°C

Humidity 52%
Wind Speed NNE 6 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 09 Aug 09:55 PM PDT
Extended Forecast for

3 Miles NNW Spanaway WA

Heat Advisory August 10, 02:00pm until August 12, 10:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 59. North northeast wind around 6 mph becoming calm after midnight.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light north northeast wind becoming north 5 to 9 mph in the morning.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88. Calm wind becoming north 5 to 9 mph in the afternoon.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 59. North northeast wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 86. Light north northeast wind becoming north 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 62. North northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 88. Calm wind becoming north 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 63. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly cloudy, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A slight chance of rain. Mostly cloudy, with a high near 73.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 55.
Saturday
A slight chance of rain. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Spanaway WA
 47.1°N 122.42°W (Elev. 374 ft)
Last Update:
8:00 pm PDT Aug 9, 2025
Forecast Valid:
10pm PDT Aug 9, 2025-6pm PDT Aug 16, 2025
 
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