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Heavy rain and flash flooding possible in portions of the Southwest this weekend

An upper-level low in the Southwest U.S. will act as a trigger for thunderstorms this weekend. The area of greatest concern is in New Mexico, southeast Utah and portions of southern Colorado. Storms will be slow moving and could bring several rounds of rain to the same areas. Rainfall amounts may exceed 3 inches in localized areas. Flash Flood Watches are in effect. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

Lat: 46.37472°NLon: 117.01444°WElev: 1437ft.

Fair

27°C

81°F

Humidity 23%
Wind Speed WNW 6 MPH
Barometer 30.00 in
Dewpoint 4°C (39°F)
Visibility 16 km
Heat Index26°C (79°F)
Last update 19 Aug 6:35 pm PDT
Extended Forecast for

Lewiston ID

  • Tonight

    Tonight: Clear, with a low around 14. Northwest wind 11 to 16 km/h becoming light and variable  after midnight. Winds could gust as high as 32 km/h.

    Clear

    Low: 14 °C

  • Sunday

    Sunday: Sunny, with a high near 31. Calm wind becoming northwest 5 to 10 km/h in the afternoon.

    Sunny

    High: 31 °C

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 15. Northwest wind 8 to 13 km/h becoming light and variable  after midnight.

    Mostly Clear

    Low: 15 °C

  • Monday

    Monday: Sunny, with a high near 33. Calm wind.

    Sunny

    High: 33 °C

  • Monday
    Night

    Monday Night: Clear, with a low around 16. Calm wind.

    Clear

    Low: 16 °C

  • Tuesday

    Tuesday: Sunny and hot, with a high near 37.

    Hot

    High: 37 °C

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 18.

    Mostly Clear

    Low: 18 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35.

    Mostly Sunny

    High: 35 °C

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 19.

    Slight Chance
    T-storms

    Low: 19 °C

Detailed Forecast

Tonight
Clear, with a low around 14. Northwest wind 11 to 16 km/h becoming light and variable after midnight. Winds could gust as high as 32 km/h.
Sunday
Sunny, with a high near 31. Calm wind becoming northwest 5 to 10 km/h in the afternoon.
Sunday Night
Mostly clear, with a low around 15. Northwest wind 8 to 13 km/h becoming light and variable after midnight.
Monday
Sunny, with a high near 33. Calm wind.
Monday Night
Clear, with a low around 16. Calm wind.
Tuesday
Sunny and hot, with a high near 37.
Tuesday Night
Mostly clear, with a low around 18.
Wednesday
Mostly sunny, with a high near 35.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 19.
Thursday
A 20 percent chance of showers and thunderstorms before noon. Patchy blowing dust after noon. Mostly sunny, with a high near 30.
Thursday Night
Patchy blowing dust. Mostly clear, with a low around 12. Breezy.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 12.
Saturday
Sunny, with a high near 33.
Click Map For Forecast
Point Forecast:
Lewiston ID
 46.43°N 117.01°W (Elev. 239 m)
2:32 pm PDT Aug 19, 2017
7pm PDT Aug 19, 2017-6pm PDT Aug 26, 2017
 
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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