Rock Island, WA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Rock Island, WA.

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Current Conditions — Rock Island, WA

WENATCHEE (KEAT)

Clear

59.0 F
Humidity:31%
Wind Speed:W 3.4 mph
Barometer:29.89 in
Dewpoint:28.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 27 2026, 10:40 AM PDT
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5-Day Forecast — Rock Island, WA

Monday

High 71 °F
Forecast Missing
Monday
Night
Low 46 °F
Forecast Missing
Tuesday

High 71 °F
Forecast Missing
Tuesday
Night
Low 46 °F
Forecast Missing
Wednesday

High 77 °F
Forecast Missing
Wednesday
Night
Low 50 °F
Forecast Missing
Thursday

High 78 °F
Forecast Missing
Thursday
Night
Low 51 °F
Forecast Missing
Friday

High 80 °F
Forecast Missing

Detailed Forecast — Rock Island, WA

Monday
Forecast Missing. High near 71°F. Wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
Forecast Missing. Low around 46°F. Wind 8 to 13 mph, with gusts as high as 20 mph.
Tuesday
Forecast Missing. High near 71°F. Wind 6 to 12 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 46°F. Wind 8 to 14 mph, with gusts as high as 20 mph.
Wednesday
Forecast Missing. High near 77°F. Wind 5 to 6 mph, with gusts as high as 10 mph.
Wednesday Night
Forecast Missing. Low around 50°F. Wind around 5 mph, with gusts as high as 8 mph.
Thursday
Forecast Missing. High near 78°F. Wind around 7 mph, with gusts as high as 13 mph.
Thursday Night
Forecast Missing. Low around 51°F. Wind 7 to 9 mph, with gusts as high as 13 mph.
Friday
Forecast Missing. High near 80°F. Wind 6 to 9 mph, with gusts as high as 12 mph.
Friday Night
Forecast Missing. Low around 53°F. Wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday
Forecast Missing. High near 80°F. Wind 8 to 9 mph, with gusts as high as 15 mph.
Saturday Night
Forecast Missing. Low around 55°F. Wind 7 to 8 mph, with gusts as high as 12 mph.
Sunday
Forecast Missing. High near 82°F. Wind 8 to 12 mph, with gusts as high as 17 mph.
WA Radar
Current Radar • WA
Day 1 Outlook • April 27, 2026

Observation History — Rock Island, WA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
10:40 AM PDT W 3.4 10.00 Clear -- 59.0 28.4 31% NA NA 29.89 1012.2
10:35 AM PDT W 3.4 10.00 Clear -- 57.2 30.2 36% NA NA 29.89 1012.2
10:20 AM PDT 4.6 10.00 Clear -- 57.2 30.2 36% NA NA 29.89 1012.2
10:10 AM PDT SW 4.6 10.00 Clear -- 55.4 30.2 38% NA NA 29.89 1012.2
10:05 AM PDT SW 3.4 10.00 Clear -- 55.4 30.2 38% NA NA 29.89 1012.2
10:00 AM PDT SW 3.4 10.00 Clear -- 55.4 30.2 38% NA NA 29.89 1012.2
09:50 AM PDT 4.6 10.00 Clear -- 55.4 30.2 38% NA NA 29.90 1012.5
09:45 AM PDT 4.6 10.00 Clear -- 55.4 30.2 38% NA NA 29.90 1012.5
09:40 AM PDT SW 4.6 10.00 Clear -- 55.4 30.2 38% NA NA 29.90 1012.5
09:35 AM PDT W 3.4 10.00 Clear -- 53.6 30.2 41% NA NA 29.90 1012.5
09:30 AM PDT 3.4 10.00 Clear -- 53.6 30.2 41% NA NA 29.90 1012.5
09:25 AM PDT 5.7 10.00 Clear -- 53.6 30.2 41% NA NA 29.90 1012.5
09:20 AM PDT 5.7 10.00 Clear -- 53.6 30.2 41% NA NA 29.90 1012.5
09:15 AM PDT 5.7 10.00 Clear -- 53.6 30.2 41% NA NA 29.90 1012.5
09:00 AM PDT 4.6 10.00 Clear -- 51.8 30.2 43% NA NA 29.90 1012.5
08:50 AM PDT W 6.9 10.00 Clear -- 51.8 30.2 43% NA NA 29.90 1012.5
08:35 AM PDT W 5.7 10.00 Clear -- 51.8 30.2 43% NA NA 29.90 1012.5
08:30 AM PDT W 5.7 10.00 Clear -- 50.0 30.2 46% NA NA 29.90 1012.5
08:20 AM PDT W 4.6 10.00 Clear -- 48.2 30.2 50% 46.4 NA 29.90 1012.5
08:15 AM PDT 6.9 10.00 Clear -- 48.2 30.2 50% 45.1 NA 29.90 1012.5
08:00 AM PDT W 4.6 10.00 Clear -- 48.2 30.2 50% 46.4 NA 29.90 1012.5
07:40 AM PDT 4.6 10.00 Clear -- 46.4 30.2 53% 44.2 NA 29.90 1012.5
07:35 AM PDT 4.6 10.00 Clear -- 46.4 30.2 53% 44.2 NA 29.90 1012.5
07:25 AM PDT NW 4.6 10.00 Clear -- 46.4 30.2 53% 44.2 NA 29.90 1012.5

Regional Weather Observation

WENATCHEE (KEAT)

Clear
59.0 F

ELLENSBURG (KELN)

Clear
60.8 F

EPHRATA (KEPH)

Clear
55.4 F

MOSES LAKE (KMWH)

Clear
57.2 F

STAMPEDE PASS (KSMP)

Partly Cloudy
37.9 F

METHOW VALLEY (KS52)

Partly Cloudy
57.2 F
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