Air Quality Concerns; Fire Weather; Extreme Heat; Severe Thunderstorms and Flash Flooding

Wildfire smoke continues to result in poor air quality from the Upper Midwest into the Northeast. Dangerous heat and fire weather concerns for portions of the Four Corners region into the central Great Basin and Rockies. Heavy rainfall and flash flooding possible for the Southeast through today. Strong to severe thunderstorms for the Southern Plains with severe wind gusts and large hail possible. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

66°F

19°C

Humidity 48%
Wind Speed SSE 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 04 Aug 07:30 AM PDT
Extended Forecast for

Lewiston IDSimilar City Names

  • Today

    Today: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Increasing clouds, with a high near 86. Light and variable wind becoming northwest 6 to 11 mph in the morning.  Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. West wind around 6 mph becoming calm  after midnight.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph becoming light west  in the evening.

    Low: 66 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm.  Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am.  Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Increasing clouds, with a high near 86. Light and variable wind becoming northwest 6 to 11 mph in the morning. Chance of precipitation is 30%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. West wind around 6 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 93. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph becoming light west in the evening.
Wednesday
Partly sunny, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 66.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 61.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston IDSimilar City Names
 46.43°N 117.01°W (Elev. 784 ft)
4:15 am PDT Aug 4, 2025
7am PDT Aug 4, 2025-6pm PDT Aug 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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