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

DW8787 CHEHALIS (D8787)

Lat: 46.64646°NLon: 122.8388°WElev: 550.0ft.

80°F

27°C

Humidity	50%
Wind Speed	S 3 MPH
Barometer	29.78 in (1008.47 mb)
Dewpoint	60°F (16°C)
Visibility	NA
Heat Index	81°F (27°C)
Last update	31 Aug 04:15 PM PDT

More Information:

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

Extended Forecast for

5 Miles WSW Mossyrock WA

Tonight
Low: 53 °F
Partly Cloudy
Tuesday
High: 67 °F
Patchy Fog
then Slight
Chance Rain
Tuesday Night
Low: 52 °F
Chance Rain
Wednesday
High: 62 °F
Rain
Wednesday Night
Low: 49 °F
Rain then
Rain Likely
Thursday
High: 61 °F
Showers
Thursday Night
Low: 47 °F
Rain Likely
Friday
High: 65 °F
Chance Rain
Friday Night
Low: 48 °F
Chance Rain

Detailed Forecast

Tonight

Partly cloudy, with a low around 53. Calm wind.

Tuesday

A 10 percent chance of rain after 5pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 67. Light west southwest wind.

Tuesday Night

A chance of rain before 1am, then a slight chance of rain after 4am. Mostly cloudy, with a low around 52. Calm wind becoming south around 6 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

Wednesday

Rain, mainly after 11am. High near 62. South southeast wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Wednesday Night

Rain. Low around 49. South wind 6 to 8 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain likely, then showers and possibly a thunderstorm after 11am. High near 61. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday Night

Rain likely, mainly before 11pm. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.

Friday

A chance of rain. Mostly cloudy, with a high near 65.

Friday Night

A chance of rain, mainly before 11pm. Partly cloudy, with a low around 48.

Saturday

A chance of rain, mainly after 11am. Partly sunny, with a high near 70.

Saturday Night

A slight chance of rain. Partly cloudy, with a low around 50.

Sunday

A chance of rain. Partly sunny, with a high near 71.