Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Current conditions at

Tacoma / McChord Air Force Base (KTCM)

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

Clear

76°F

24°C

Humidity	44%
Wind Speed	N 4 MPH
Barometer	29.81 in (1009.48 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	31 Aug 02:55 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Fort Lewis WA

Tonight
Low: 54 °F
Partly Cloudy
Tuesday
High: 73 °F
Partly Sunny
Tuesday Night
Low: 55 °F
Mostly Cloudy
then Slight
Chance Rain
Wednesday
High: 68 °F
Rain
Wednesday Night
Low: 52 °F
Rain then
Rain Likely
Thursday
High: 66 °F
Showers
Thursday Night
Low: 51 °F
Rain Likely
then Chance
Rain
Friday
High: 69 °F
Chance Rain
Friday Night
Low: 51 °F
Chance Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 54. North northeast wind around 6 mph becoming calm in the evening.

Tuesday

Partly sunny, with a high near 73. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

Tuesday Night

A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 55. South wind 5 to 9 mph.

Wednesday

Rain, mainly after 11am. High near 68. South wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain. Low around 52. South wind around 10 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.

Thursday

Rain likely, then showers and possibly a thunderstorm after 11am. High near 66. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

Friday

A chance of rain. Mostly cloudy, with a high near 69.

Friday Night

A chance of rain, mainly before 11pm. Partly cloudy, with a low around 51.

Saturday

A slight chance of rain after 11am. Partly sunny, with a high near 72.

Saturday Night

A slight chance of rain. Partly cloudy, with a low around 53.

Sunday

A slight chance of rain. Mostly sunny, with a high near 73.