Rock River, WY Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rock River, WY in one place.
Partly sunny, with a high near 70. West wind 5 to 15 mph.
Local Weather Overview
This forecast page for Rock River, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 22, 2026 2:27 AM MDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Rock River, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 2:27 AM MDT
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Rock River
Saturday looks like the warmest upcoming period in Rock River at 75 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 22, 2026 2:27 AM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- CYS
- Radar station
- KCYS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy, with a low around 43. West wind 0 to 10 mph.
A slight chance of rain showers after noon. Mostly sunny, with a high near 69. Chance of precipitation is 20%.
Partly cloudy, with a low around 45.
A slight chance of rain showers before noon. Mostly sunny, with a high near 73.
Partly cloudy, with a low around 47.
Sunny, with a high near 75.
Partly cloudy, with a low around 47.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 47.
A chance of rain showers. Mostly sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Partly Sunny
|
70°F |
5 to 15 mph
W
|
|
Wednesday Night
Sep 23
|
Mostly Cloudy
|
43°F |
0 to 10 mph
W
|
|
Thursday
Sep 24
|
Mostly Sunny then Slight Chance Rain Showers
|
69°F |
0 to 10 mph
SE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
45°F |
5 to 10 mph
SSE
|
|
Friday
Sep 25
|
Slight Chance Rain Showers then Mostly Sunny
|
73°F |
0 to 15 mph
SW
|
|
Friday Night
Sep 25
|
Partly Cloudy
|
47°F |
5 to 10 mph
WSW
|
|
Saturday
Sep 26
|
Sunny
|
75°F |
5 to 15 mph
W
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
47°F |
5 to 10 mph
SW
|
|
Sunday
Sep 27
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
74°F |
5 to 10 mph
SW
|
|
Sunday Night
Sep 27
|
Slight Chance Rain Showers then Partly Cloudy
|
47°F |
5 to 10 mph
SW
|
|
Monday
Sep 28
|
Chance Rain Showers
|
70°F |
5 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rock River.
