National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

46°F

8°C

Humidity 95%
Wind Speed E 3 MPH
Barometer 29.8 in (1009.14 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Nov 03:56 AM PST
Extended Forecast for

Lewiston ID

  • Today

    Today: Rain, mainly after 4pm. High near 62. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Slight Chance
    Rain then
    Rain

  • Tonight

    Tonight: Rain. Low around 51. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain

  • Friday

    Friday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 60. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Rain Likely
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 6 mph.

    Low: 45 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 59. South wind 3 to 5 mph.

    High: 59 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain after 10am. Partly sunny, with a high near 59.

    High: 59 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

  • Monday

    Monday: A 40 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Rain, mainly after 4pm. High near 62. Southeast wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 51. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 60. West wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 45. South wind around 6 mph.
Saturday
A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 59. South wind 3 to 5 mph.
Saturday Night
Mostly cloudy, with a low around 43.
Sunday
A 20 percent chance of rain after 10am. Partly sunny, with a high near 59.
Sunday Night
Rain likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Monday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Monday Night
A 40 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 35.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 49.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 46. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.39°N 117°W (Elev. 1385 ft)
Last Update:
3:02 am PST Nov 13, 2025
Forecast Valid:
4am PST Nov 13, 2025-6pm PST Nov 19, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation