Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. 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 28%
Wind Speed NNE 3 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 07 Jul 11:35 AM PDT
Extended Forecast for

Lewiston ID

  • Today

    Today: Sunny and hot, with a high near 99. East wind 3 to 5 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 66. Northeast wind 5 to 8 mph becoming calm.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of sprinkles before 11am.  Mostly sunny, with a high near 95. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.

    High: 95 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. West wind 6 to 15 mph, with gusts as high as 28 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 93. Northwest wind 6 to 9 mph.

    High: 93 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

Detailed Forecast

Today
Sunny and hot, with a high near 99. East wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 66. Northeast wind 5 to 8 mph becoming calm.
Wednesday
A chance of sprinkles before 11am. Mostly sunny, with a high near 95. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 61. West wind 6 to 15 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 93. Northwest wind 6 to 9 mph.
Thursday Night
Clear, with a low around 60.
Friday
Sunny and hot, with a high near 96.
Friday Night
Clear, with a low around 62.
Saturday
Sunny and hot, with a high near 96.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Partly cloudy, with a low around 64.
Monday
Mostly sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 784 ft)
11:46 am PDT Jul 7, 2026
11am PDT Jul 7, 2026-6pm PDT Jul 13, 2026
 
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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