Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437.0ft.

light rain,smoke

64°F

18°C

Humidity 67%
Wind Speed W 9 MPH
Barometer 29.78 in (1008.47 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 29 Sep 11:56 PM PDT
Extended Forecast for

Asotin WA

  • Overnight

    Overnight: A chance of rain before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then rain likely and possibly a thunderstorm after 5am.  Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm.  Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Rain likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 56. Southwest wind 6 to 9 mph becoming southeast in the evening.  New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 73. Light and variable wind becoming south 5 to 7 mph in the morning.  New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm  after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely

  • Thursday

    Thursday: A 20 percent chance of rain.  Partly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of rain before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then rain likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 57. Northeast wind around 6 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Rain likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 56. Southwest wind 6 to 9 mph becoming southeast in the evening. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 73. Light and variable wind becoming south 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 52. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
A 20 percent chance of rain. Partly sunny, with a high near 68.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 45.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 68.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Asotin WA
 46.34°N 117.05°W (Elev. 846 ft)
10:22 pm PDT Sep 29, 2025
12am PDT Sep 30, 2025-6pm PDT Oct 6, 2025
 
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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