Cooper Lake, WY Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cooper Lake, WY in one place.
Sunny. High near 59, with temperatures falling to around 50 in the afternoon. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for Cooper Lake, 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: Nov 7, 2026 1:33 PM MST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Cooper Lake, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 1:33 PM MST
- Forecast office
- CYS
- Source
- NOAA / NWS
Daily Outlook
This Week in Cooper Lake
Monday looks like the warmest upcoming period in Cooper Lake at 61 degrees F.
Sunday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 25 mph WSW.
The forecast from Nov 8 through Nov 13 stays mostly dry.
Forecast Details
- Last updated
- Nov 7, 2026 1:33 PM MST
- Coverage
- 7 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 clear, with a low around 30. Southwest wind 5 to 10 mph.
Sunny, with a high near 61. West wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy, with a low around 33.
Mostly sunny, with a high near 55.
Mostly clear, with a low around 32.
Sunny, with a high near 53.
Partly cloudy, with a low around 31.
Sunny, with a high near 58.
Mostly clear, with a low around 32.
Sunny, with a high near 59.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Sunny
|
59°F |
5 to 15 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
30°F |
5 to 10 mph
SW
|
|
Monday
Nov 9
|
Sunny
|
61°F |
5 to 15 mph
W
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
33°F |
0 to 10 mph
SW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
55°F |
5 to 25 mph
WSW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
32°F |
10 to 15 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
53°F |
5 to 20 mph
W
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
31°F |
5 to 10 mph
W
|
|
Thursday
Nov 12
|
Sunny
|
58°F |
5 to 10 mph
W
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
32°F |
5 mph
WSW
|
|
Friday
Nov 13
|
Sunny
|
59°F |
0 to 5 mph
WSW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
35°F |
5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Cooper Lake.