Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

Current conditions at

CHEHALIS (CLSW1)

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

NA

58°F

14°C

Humidity 91%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 17 Aug 01:09 AM PDT
Extended Forecast for

2 Miles S Chehalis WA

  • Overnight

    Overnight: Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after midnight.  Otherwise, increasing clouds, with a low around 52. West northwest wind around 5 mph becoming calm  in the evening.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 10am.  Otherwise, partly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 79.

    High: 79 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 52. Calm wind.
Monday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 82. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
Patchy fog after midnight. Otherwise, increasing clouds, with a low around 52. West northwest wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 53. West northwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 55.
Friday
Mostly cloudy, with a high near 81.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A slight chance of rain. Mostly cloudy, with a high near 75.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Mostly cloudy, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Chehalis WA
 46.64°N 122.97°W (Elev. 220 ft)
11:26 pm PDT Aug 16, 2026
1am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database