UNIONTOWN, WA 99179 Weather Forecast & Current Conditions

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LEWISTON, ID
Current Weather

8:56 PM PDT JUN 8, 2026
Overcast
68°F
Feels Like: 68°F
Dewpoint: 39°F
Rel. Hum.: 35%
Visibility: 10 miles
Wind: WNW at 15 mph, gusts to 30
Pressure: 29.65 inches
Last 72 hours

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UNIONTOWN, WA 99179
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Rain showers. Lows in the mid to upper 40s. Southwest wind 5 to 15 mph with gusts up to 30 mph. Chance of precipitation near 100 percent. Rainfall amounts less than a quarter of an inch.
TUESDAY
Rain showers. A chance of thunderstorms in the afternoon. Highs in the upper 50s to upper 60s. Windy. Southwest wind 15 to 25 mph with gusts up to 40 mph. Chance of precipitation near 100 percent. Rainfall amounts less than a quarter of an inch, except higher amounts possible in thunderstorms.
TUESDAY NIGHT
Mostly cloudy with a 50 percent chance of rain showers. Lows in the lower to mid 40s. Windy. Southwest wind 15 to 25 mph. Gusts up to 45 mph decreasing to 30 mph overnight. Rainfall amounts less than a tenth of an inch.
WEDNESDAY
Mostly cloudy. Highs in the 60s. Southwest wind 5 to 15 mph with gusts up to 30 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 30s to mid 40s. Southwest wind 5 to 10 mph with gusts up to 20 mph.
THURSDAY AND THURSDAY NIGHT
Clear. Highs in the upper 60s to mid 70s. Lows in the upper 30s to upper 40s.
FRIDAY THROUGH SUNDAY
Clear. Highs in the upper 70s to upper 80s. Lows in the lower 40s to lower 50s.
SUNDAY NIGHT AND MONDAY
Mostly clear. Lows in the lower to mid 50s. Highs in the 80s.

Visible Weather Satellite
UNIONTOWN, WA 99179
Infrared Weather Satellite
UNIONTOWN, WA 99179
NEXRAD Weather Radar
UNIONTOWN, WA 99179

LEWISTON, ID 3 hourly weather forecast

weather forecast created  8:00 AM EDT  6/ 8/2026
Monday
8 JUN 2026
UNIONTOWN, WA 99179 weather forecast Day 1, 12 hours 11 AM 66° 66° Partly Cloudy 3%

0% Thunder
( 2% severe)
E   7 37% 39°
High 77° UNIONTOWN, WA 99179 weather forecast Day 1, 15 hours 2 PM 76° 77° Mostly Cloudy E   8 23% 36°
Mostly Cloudy

Chance of Rain

UNIONTOWN, WA 99179 weather forecast Day 1, 18 hours 5 PM 75° 75° Mostly Cloudy 50%
RAIN
.5–1 in
0% Thunder
( 3% severe)
WSW   8 24% 36°
UNIONTOWN, WA 99179 weather forecast Day 1, 21 hours 8 PM 70° 70° Mostly Cloudy NW   9 31% 38°
Tuesday
9 JUN 2026
UNIONTOWN, WA 99179 weather forecast Day 2, 0 hours 11 PM 62° 62° Mostly Cloudy 81%
RAIN
.1–.25 in
0% Thunder
( 11% severe)
NE   6 54% 45°
Low 53° UNIONTOWN, WA 99179 weather forecast Day 2, 3 hours 2 AM 58° 57° Mostly Cloudy ENE   6 72% 49°
High 68° UNIONTOWN, WA 99179 weather forecast Day 2, 6 hours 5 AM 55° 54° Mostly Cloudy 54%
RAIN
.01–.1 in
0% Thunder
( 7% severe)
SW   6 83% 50°

Mostly Cloudy

Rain Likely

UNIONTOWN, WA 99179 weather forecast Day 2, 9 hours 8 AM 56° 53° Mostly Cloudy WSW   12 77% 49°
UNIONTOWN, WA 99179 weather forecast Day 2, 12 hours 11 AM 60° 57° Mostly Cloudy 40%
RAIN
.01–.1 in
0% Thunder
( 20% severe)
W   16 58% 45°
UNIONTOWN, WA 99179 weather forecast Day 2, 15 hours 2 PM 64° 62° Partly Cloudy W   21 46% 43°
UNIONTOWN, WA 99179 weather forecast Day 2, 18 hours 5 PM 66° 66° Partly Cloudy 16%
RAIN
.01–.1 in
0% Thunder
( 8% severe)
W   22 37% 39°
UNIONTOWN, WA 99179 weather forecast Day 2, 21 hours 8 PM 64° 62° Partly Cloudy WSW   18 37% 37°
Wednesday
10 JUN 2026
UNIONTOWN, WA 99179 weather forecast Day 3, 0 hours 11 PM 58° 55° Partly Cloudy 7%

0% Thunder
( 4% severe)
WSW   15 51% 40°
Low 49° UNIONTOWN, WA 99179 weather forecast Day 3, 3 hours 2 AM 54° 50° Mostly Cloudy WSW   14 59% 40°
High 67° UNIONTOWN, WA 99179 weather forecast Day 3, 6 hours 5 AM 50° 46° Mostly Cloudy 2%

0% Thunder
( 4% severe)
SW   10 71% 41°

Mostly Cloudy



UNIONTOWN, WA 99179 weather forecast Day 3, 9 hours 8 AM 53° 48° Mostly Cloudy WSW   15 61% 40°
UNIONTOWN, WA 99179 weather forecast Day 3, 15 hours 11 AM 58° 55° Mostly Cloudy 2%

0% Thunder
( 6% severe)
W   13 47% 38°
UNIONTOWN, WA 99179 weather forecast Day 3, 18 hours 2 PM 64° 63° Partly Cloudy W   12 35% 36°
UNIONTOWN, WA 99179 weather forecast Day 3, 21 hours 5 PM 66° 66° Partly Cloudy     WNW   10 32% 35°

LEWISTON, ID extended weather forecast

Thursday
11 JUN 2026
Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Low 49° Low 52° Low 57° Low 56° Low 57°
High 79° High 85° High 89° High 86° High 89°
UNIONTOWN, WA 99179 weather forecast Day 4 UNIONTOWN, WA 99179 weather forecast Day 5 UNIONTOWN, WA 99179 weather forecast Day 6 UNIONTOWN, WA 99179 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
13% Rain
Clear
3% Rain
Clear
7% Rain
Clear
5% Rain
Clear
4% Rain
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