Air Quality Concerns; Fire Weather; Extreme Heat; Severe Thunderstorms and Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and flash flooding possible for the Southeast through today. Strong to severe thunderstorms for the Southern Plains with severe wind gusts and large hail possible. Read More >

Current conditions at

CHEHALIS (CLSW1)

Lat: 46.61°NLon: 122.90833°WElev: 262.0ft.

68°F

20°C

Humidity	59%
Wind Speed	WNW 2 MPH
Barometer	NA
Dewpoint	53°F (12°C)
Visibility	NA
Last update	04 Aug 03:09 PM PDT

More Information:

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

Extended Forecast for

4 Miles ESE Napavine WA

Tonight
Low: 48 °F
Partly Cloudy
then Patchy
Fog
Tuesday
High: 76 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 55 °F
Chance Rain
Wednesday
High: 69 °F
Rain
Wednesday Night
Low: 52 °F
Rain Likely
then Chance
Rain
Thursday
High: 73 °F
Chance Rain
Thursday Night
Low: 48 °F
Partly Cloudy
then Patchy
Fog
Friday
High: 80 °F
Patchy Fog
then Sunny
Friday Night
Low: 50 °F
Mostly Clear
then Patchy
Fog

Detailed Forecast

Tonight

Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 48. West northwest wind 5 to 10 mph becoming light and variable in the evening.

Tuesday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 76. Light and variable wind.

Tuesday Night

A 50 percent chance of rain, mainly after 11pm. Increasing clouds, with a low around 55. Calm wind.

Wednesday

Rain. High near 69. Calm wind becoming south around 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Wednesday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 52. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Thursday

A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 73.

Thursday Night

Patchy fog after 2am. Otherwise, partly cloudy, with a low around 48.

Friday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80.

Friday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 50.

Saturday

Patchy fog before 7am. Otherwise, mostly sunny, with a high near 81.

Saturday Night

Mostly clear, with a low around 53.