Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

76°F

24°C

Humidity 23%
Wind Speed E 6 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 08 Oct 01:56 PM PDT
Extended Forecast for

3 Miles ENE Lewiston ID

  • This Afternoon

    This Afternoon: Sunny, with a high near 82. East wind around 6 mph.

    High: 82 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Northeast wind around 7 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 83. East wind around 6 mph becoming south in the afternoon.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. West wind around 6 mph becoming east in the evening.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of rain, mainly before 11am.  Partly sunny, with a high near 79. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.  New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Rain Likely

  • Saturday

    Saturday: Rain likely.  Mostly cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain.  Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 82. East wind around 6 mph.
Tonight
Mostly clear, with a low around 51. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 83. East wind around 6 mph becoming south in the afternoon.
Thursday Night
Partly cloudy, with a low around 52. West wind around 6 mph becoming east in the evening.
Friday
A 30 percent chance of rain, mainly before 11am. Partly sunny, with a high near 79. Light and variable wind becoming northwest 5 to 7 mph in the afternoon. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
Rain. Low around 45. Chance of precipitation is 80%.
Sunday
Rain likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Columbus Day
A 30 percent chance of rain. Partly sunny, with a high near 62.
Monday Night
A 20 percent chance of rain. Partly cloudy, with a low around 42.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Lewiston ID
 46.44°N 116.95°W (Elev. 1017 ft)
10:16 am PDT Oct 8, 2025
2pm PDT Oct 8, 2025-6pm PDT Oct 14, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database