Sweetwater County, WY Weather Forecast
County weather hub
Partly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Sweetwater County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Southwest wind 6 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Sweetwater County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Sweetwater County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 3:08 PM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sweetwater County
Saturday looks like the warmest upcoming period in Sweetwater County at 63 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Saturday at about 6 to 24 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 3:08 PM MDT
- Coverage
- 6 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
A slight chance of rain showers before midnight. Partly cloudy, with a low around 33. Southwest wind 6 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 60. South southwest wind 6 to 24 mph, with gusts as high as 39 mph.
A chance of rain showers before midnight. Mostly cloudy, with a low around 32. Chance of precipitation is 30%.
A slight chance of rain and snow showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 50. Chance of precipitation is 40%.
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 29.
A slight chance of snow showers before noon, then a chance of snow showers and a slight chance of thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 50.
Partly cloudy, with a low around 28.
Mostly sunny, with a high near 55.
Partly cloudy, with a low around 31.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Partly Sunny then Chance Showers And Thunderstorms
|
63°F |
6 to 24 mph
SW
|
|
Saturday Night
Apr 11
|
Slight Chance Rain Showers then Partly Cloudy
|
33°F |
6 to 18 mph
SW
|
|
Sunday
Apr 12
|
Mostly Sunny
|
60°F |
6 to 24 mph
SSW
|
|
Sunday Night
Apr 12
|
Chance Rain Showers then Mostly Cloudy
|
32°F |
8 to 17 mph
SW
|
|
Monday
Apr 13
|
Slight Chance Rain And Snow Showers then Chance Showers And Thunderstorms
|
50°F |
8 to 17 mph
SW
|
|
Monday Night
Apr 13
|
Chance Rain And Snow Showers
|
29°F |
9 to 14 mph
W
|
|
Tuesday
Apr 14
|
Chance Snow Showers
|
50°F |
10 to 17 mph
W
|
|
Tuesday Night
Apr 14
|
Partly Cloudy
|
28°F |
10 to 17 mph
W
|
|
Wednesday
Apr 15
|
Mostly Sunny
|
55°F |
12 to 23 mph
W
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
31°F |
12 to 18 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Sweetwater County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Sweetwater County.
Largest mapped city population in this region: 22,943.
