South Flat, WY Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Flat, WY in one place.
Mostly sunny, with a high near 61. Northwest wind around 5 mph.
Local Weather Overview
This forecast page for South Flat, 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 9, 2026 8:40 AM MST.
The active forecast window currently covers Nov 10 to Nov 15, 2026 for South Flat, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 10 to Nov 15, 2026
- Latest sync
- Nov 9, 2026 8:40 AM MST
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in South Flat
Thursday looks like the warmest upcoming period in South Flat at 64 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 30 degrees F.
The strongest winds are forecast for Friday Night at about 6 mph S.
The forecast from Nov 10 through Nov 15 stays mostly dry.
Forecast Details
- Last updated
- Nov 9, 2026 8:40 AM 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 clear, with a low around 30. Southwest wind around 2 mph.
Sunny, with a high near 59. South southeast wind around 3 mph.
Mostly clear, with a low around 31. South southeast wind around 2 mph.
Sunny, with a high near 64. South southeast wind around 3 mph.
Partly cloudy, with a low around 32.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 34.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 33.
Mostly sunny, with a high near 64.
Partly cloudy, with a low around 35.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Nov 10
|
Mostly Sunny
|
61°F |
5 mph
NW
|
|
Tuesday Night
Nov 10
|
Mostly Clear
|
30°F |
2 mph
SW
|
|
Veterans Day
Nov 11
|
Sunny
|
59°F |
3 mph
SSE
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
31°F |
2 mph
SSE
|
|
Thursday
Nov 12
|
Sunny
|
64°F |
3 mph
SSE
|
|
Thursday Night
Nov 12
|
Partly Cloudy
|
32°F |
5 mph
S
|
|
Friday
Nov 13
|
Mostly Sunny
|
64°F |
5 mph
S
|
|
Friday Night
Nov 13
|
Partly Cloudy
|
34°F |
6 mph
S
|
|
Saturday
Nov 14
|
Mostly Sunny
|
64°F |
5 mph
S
|
|
Saturday Night
Nov 14
|
Partly Cloudy
|
33°F |
5 mph
SSE
|
|
Sunday
Nov 15
|
Mostly Sunny
|
64°F |
6 mph
S
|
|
Sunday Night
Nov 15
|
Partly Cloudy
|
35°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Flat.