Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

72°F

22°C

Humidity	43%
Wind Speed	N 4 MPH
Barometer	30.06 in (1017.95 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	03 Aug 09:05 AM PDT

More Information:

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

Extended Forecast for

Lewiston ID

Today
High: 94 °F
Slight Chance
Showers
Tonight
Low: 64 °F
Chance
Showers
Monday
High: 83 °F
Chance
Showers
Monday Night
Low: 59 °F
Mostly Clear
Tuesday
High: 88 °F
Mostly Sunny
Tuesday Night
Low: 63 °F
Mostly Cloudy
Wednesday
High: 88 °F
Partly Sunny
Wednesday Night
Low: 64 °F
Chance
Showers
Thursday
High: 84 °F
Chance
Showers

Detailed Forecast

Today

A 20 percent chance of showers after 11am. Increasing clouds, with a high near 94. Calm wind becoming west around 6 mph in the afternoon.

Tonight

A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 64. Southwest wind 5 to 7 mph becoming east after midnight. New precipitation amounts of less than a tenth of an inch possible.

Monday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 83. Northeast wind 5 to 8 mph becoming northwest in the morning. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Mostly clear, with a low around 59. Northwest wind 5 to 8 mph becoming light and variable after midnight.

Tuesday

Mostly sunny, with a high near 88. Calm wind becoming northwest around 6 mph in the afternoon.

Tuesday Night

Mostly cloudy, with a low around 63.

Wednesday

Partly sunny, with a high near 88.

Wednesday Night

A 30 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 84. Chance of precipitation is 30%.