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Lewiston, Idaho 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Lewiston ID
National Weather Service Forecast for: Lewiston ID
Issued by: National Weather Service Spokane, WA
Updated: 10:17 pm PDT Jul 9, 2025
 
Tonight

Tonight: Mostly clear, with a low around 69. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.
Mostly Clear
and Breezy
Thursday

Thursday: Sunny, with a high near 91. West wind 9 to 14 mph, with gusts as high as 23 mph.
Sunny
Thursday
Night
Thursday Night: Mostly clear, with a low around 65. Northwest wind 5 to 9 mph becoming calm  in the evening.
Mostly Clear
Friday

Friday: Sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.
Hot
Friday
Night
Friday Night: Mostly clear, with a low around 65. Northwest wind 5 to 7 mph becoming light and variable  after midnight.
Mostly Clear
Saturday

Saturday: Sunny and hot, with a high near 101.
Hot
Saturday
Night
Saturday Night: Mostly clear, with a low around 69.
Mostly Clear
Sunday

Sunday: Sunny and hot, with a high near 102.
Hot
Sunday
Night
Sunday Night: Clear, with a low around 71.
Clear
Lo 69 °F Hi 91 °F Lo 65 °F Hi 97 °F Lo 65 °F Hi 101 °F Lo 69 °F Hi 102 °F Lo 71 °F

 

Tonight
 
Mostly clear, with a low around 69. Breezy, with a west wind 16 to 20 mph, with gusts as high as 31 mph.
Thursday
 
Sunny, with a high near 91. West wind 9 to 14 mph, with gusts as high as 23 mph.
Thursday Night
 
Mostly clear, with a low around 65. Northwest wind 5 to 9 mph becoming calm in the evening.
Friday
 
Sunny and hot, with a high near 97. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
 
Mostly clear, with a low around 65. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Saturday
 
Sunny and hot, with a high near 101.
Saturday Night
 
Mostly clear, with a low around 69.
Sunday
 
Sunny and hot, with a high near 102.
Sunday Night
 
Clear, with a low around 71.
Monday
 
Sunny and hot, with a high near 102.
Monday Night
 
Clear, with a low around 70.
Tuesday
 
Sunny and hot, with a high near 100.
Tuesday Night
 
Mostly clear, with a low around 68.
Wednesday
 
Sunny and hot, with a high near 101.

 

Forecast from NOAA-NWS for Lewiston ID.

Weather Forecast Discussion
727
FXUS66 KOTX 100542
AFDOTX

Area Forecast Discussion
National Weather Service Spokane WA
1042 PM PDT Wed Jul 9 2025

.KEY MESSAGES...

- Cooler and locally breezy Thursday

- Warmer again with above normal temperatures this weekend and
  into next week

&&

.SYNOPSIS...
After a brief cool down on Thursday, warm temperatures will
return over the weekend into next week. Winds will also be
locally breezy at times on Thursday headinto into this weekend
especially in Central Washington.

&&

.DISCUSSION...
Evening update: The Red Flag Warnings were allowed to expire at
8 PM PDT this evening. Winds are on the gradual decline along
with increasing relative humidity across the region. JW

&&

.AVIATION...
06Z TAFS: VFR conditions are expected to continue for all TAF
sites through 06z Friday. A weak weather system passing north
and east of the area on Thursday will bring a 20% chance of a
rain shower to the North Idaho Panhandle otherwise dry
conditions are expected. This will also bring about a wind
shift, from west- southwest tonight to north-northwest heading
into Thursday afternoon and evening. Winds will also be locally
breezy on Thursday, with gusts of 15-20 kts, except 25 kts at
KEAT.

FORECAST CONFIDENCE AND/OR ALTERNATE SCENARIOS: High confidence
that VFR conditions will continue at all TAF sites. The Hope
and Western Pines Fires over NE Washington could advect some
smoke into the Spokane/Coeur d`Alene area late Thursday
afternoon into the evening with the northwest wind shift.
But given decreased heat on satellite tonight, and that the
smoke would more likely be aloft, surface visibility is not
expected to remain above 6 miles. JW

-----------------------

Confidence descriptors:
Low - Less than a 30 percent chance
Moderate - 30 to 70 percent chance
High - Greater than a 70 percent chance

For additional probabilistic information for NWS Spokane
airports, please refer to the Aviation Dashboard on our
webpage: https:/www.weather.gov/otx/avndashboard

&&

.Preliminary Point Temps/PoPs...
Spokane        59  83  55  89  59  92 /   0   0   0   0   0   0
Coeur d`Alene  58  81  54  87  58  91 /  10   0   0   0   0   0
Pullman        54  79  52  85  54  88 /   0   0   0   0   0   0
Lewiston       66  88  63  94  64  99 /  10   0   0   0   0   0
Colville       48  81  45  87  50  93 /  10  10   0   0   0   0
Sandpoint      55  77  49  84  54  87 /  10  20   0   0   0   0
Kellogg        59  77  57  84  61  87 /   0  10   0   0   0   0
Moses Lake     59  88  59  93  60  98 /   0   0   0   0   0   0
Wenatchee      63  85  63  93  68  96 /  10   0   0   0   0   0
Omak           57  84  56  92  62  96 /  10   0   0   0   0   0

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
WA...None.
ID...None.

&&

$$
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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