Merna, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Merna, WY in one place.
Mostly sunny, with a high near 53. West southwest wind 1 to 6 mph.
Local Weather Overview
This forecast page for Merna, 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 1:36 PM MST.
The active forecast window currently covers Nov 8 to Nov 13, 2026 for Merna, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 8 to Nov 13, 2026
- Latest sync
- Nov 7, 2026 1:36 PM MST
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Merna
Sunday looks like the warmest upcoming period in Merna at 53 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 27 degrees F.
The strongest winds are forecast for Tuesday at about 6 to 13 mph WNW.
The forecast from Nov 8 through Nov 13 stays mostly dry.
Forecast Details
- Last updated
- Nov 7, 2026 1:36 PM MST
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KRIW
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 29. West wind around 5 mph.
Mostly sunny, with a high near 52. West southwest wind 1 to 5 mph.
Mostly cloudy, with a low around 30. West wind 2 to 6 mph.
Mostly sunny, with a high near 46. West northwest wind 6 to 13 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 27.
Mostly sunny, with a high near 50.
Partly cloudy, with a low around 30.
Sunny, with a high near 53.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 50.
Partly cloudy, with a low around 31.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Nov 8
|
Mostly Sunny
|
53°F |
1 to 6 mph
WSW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
29°F |
5 mph
W
|
|
Monday
Nov 9
|
Mostly Sunny
|
52°F |
1 to 5 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
30°F |
2 to 6 mph
W
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
46°F |
6 to 13 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
27°F |
9 mph
WNW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
50°F |
7 mph
WNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
30°F |
6 mph
WNW
|
|
Thursday
Nov 12
|
Sunny
|
53°F |
3 mph
S
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
32°F |
2 mph
WSW
|
|
Friday
Nov 13
|
Mostly Sunny
|
50°F |
3 mph
SW
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
31°F |
3 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Merna.