Air Quality Concerns; Fire Weather; Extreme Heat; 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. Heavy rainfall and flash flooding possible for the Southeast through Monday. For Hawaii, gusty trade winds a drier weather could result in any fires that start to spread rapidly. 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	33%
Wind Speed	S 6 MPH
Barometer	29.89 in (1012.19 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	03 Aug 10:56 PM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Lewiston ID

Tonight
Low: 64 °F
Chance
Showers
Monday
High: 83 °F
Chance
Showers then
Chance
T-storms
Monday Night
Low: 59 °F
Slight Chance
Showers then
Mostly Clear
Tuesday
High: 89 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Partly Cloudy
Wednesday
High: 86 °F
Partly Sunny
Wednesday Night
Low: 64 °F
Slight Chance
Showers
Thursday
High: 85 °F
Chance
Showers
Thursday Night
Low: 60 °F
Chance
Showers

Detailed Forecast

Tonight

A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 64. South wind around 6 mph becoming northwest after midnight. New precipitation amounts of less than a tenth of an inch possible.

Monday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 83. Northwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 59. East wind 5 to 7 mph becoming southeast in the evening.

Tuesday

Mostly sunny, with a high near 89. Calm wind becoming northwest around 6 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 63. Northwest wind 5 to 9 mph becoming southwest after midnight.

Wednesday

Partly sunny, with a high near 86.

Wednesday Night

A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 64.

Thursday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Chance of precipitation is 30%.