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

Severe Weather and Flooding Threats for the Central U.S.; Fire Weather Concerns for the Western U.S.

Severe weather and flooding threats continue for portions of the central U.S., with impactful flash flooding possible from southern Kansas to southwestern Missouri. Extremely Critical fire weather conditions will develop across the Great Basin and Southwest on Friday, with dry and windy conditions through the weekend. Dangerous heat will increase across the southern and central U.S. this weekend. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

84°F

29°C

Humidity 12%
Wind Speed NW 16 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 25 Jun 05:35 PM PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Cloudy, with a low around 61. Northwest wind 6 to 11 mph becoming light. Winds could gust as high as 21 mph.

    Low: 61 °F

    Cloudy

  • Friday

    Friday: Showers likely. Cloudy, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56. Southwest wind around 6 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers before 11am. Mostly cloudy, with a high near 73. West wind around 7 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers before 11am. Mostly cloudy, with a high near 75.

    High: 75 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

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

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 61. Northwest wind 6 to 11 mph becoming light. Winds could gust as high as 21 mph.
Friday
Showers likely. Cloudy, with a high near 77. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 56. Southwest wind around 6 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 40 percent chance of showers before 11am. Mostly cloudy, with a high near 73. West wind around 7 mph, with gusts as high as 18 mph. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 53. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Monday
A 30 percent chance of showers before 11am. Mostly cloudy, with a high near 75.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 53.
Thursday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.41°N 117°W (Elev. 945 ft)
Last Update:
2:06 pm PDT Jun 25, 2026
Forecast Valid:
5pm PDT Jun 25, 2026-6pm PDT Jul 2, 2026
 
Forecast Discussion
 
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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