National Weather Service

News Headlines

NEW: Latest Drought Status Update - July 10, 2025

Hazardous Weather Conditions

Heat Advisory until July 14, 08:00 PM PDT

Current conditions at

Lewiston, Lewiston-Nez Perce County Airport (KLWS)

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

Clear

99°F

37°C

Humidity	20%
Wind Speed	NNE 5 MPH
Barometer	29.99 in (1015.58 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Heat Index	96°F (36°C)
Last update	13 Jul 01:30 PM PDT

More Information:

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

Extended Forecast for

2 Miles NNW Asotin WA

Heat Advisory July 13, 01:54pm until July 14, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 13, 01:54pm until July 14, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
This Afternoon
High: 105 °F
Hot
Tonight
Low: 71 °F
Mostly Clear
Monday
High: 101 °F
Hot
Monday Night
Low: 68 °F
Mostly Clear
and Breezy
then Mostly
Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 62 °F
Mostly Clear
Wednesday
High: 97 °F
Hot
Wednesday Night
Low: 65 °F
Clear

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 105. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Tonight

Mostly clear, with a low around 71. West wind 6 to 11 mph becoming south in the evening.

Monday

Sunny and hot, with a high near 101. West wind 6 to 16 mph, with gusts as high as 26 mph.

Monday Night

Mostly clear, with a low around 68. Breezy, with a northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 30 mph.

Tuesday

Sunny, with a high near 93. West wind 5 to 11 mph becoming north in the morning. Winds could gust as high as 21 mph.

Tuesday Night

Mostly clear, with a low around 62.

Wednesday

Sunny and hot, with a high near 97.

Wednesday Night

Clear, with a low around 65.

Thursday

Sunny and hot, with a high near 101.

Thursday Night

Mostly clear, with a low around 66.