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

Severe Thunderstorms in the Northeast and Northern Plains; Critical Fire Weather in the West

Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota today. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula today. Critical fire weather conditions will persist today over parts of the interior Northwest and Great Basin. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

81°F

27°C

Humidity 28%
Wind Speed WNW 5 MPH
Barometer 29.88 in (1011.85 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 03 Jul 12:00 PM PDT
Extended Forecast for

Lewiston ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 91. Northwest wind 6 to 10 mph.

    High: 91 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 63 °F

    Increasing
    Clouds

  • Independence Day

    Independence Day: A 50 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Light and variable wind becoming south 5 to 8 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 90. Light and variable wind becoming northwest around 6 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Sunny, with a high near 91. Northwest wind 6 to 10 mph.
Tonight
Increasing clouds, with a low around 63. Northwest wind 5 to 8 mph becoming calm in the evening.
Independence Day
A 50 percent chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 85. Light and variable wind becoming south 5 to 8 mph in the morning. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 62. Southwest wind 5 to 8 mph becoming northwest in the evening. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 90. Light and variable wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny and hot, with a high near 99.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny and hot, with a high near 105.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny and hot, with a high near 106.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.37°N 116.99°W (Elev. 1204 ft)
Last Update:
10:29 am PDT Jul 3, 2025
Forecast Valid:
12pm PDT Jul 3, 2025-6pm PDT Jul 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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