Big Horn County, WY Weather Forecast
County weather hub
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
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A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 20%.
County Weather Overview
This county weather page brings together forecast coverage for Big Horn County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Big Horn County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 1, 2026
- Latest sync
- Aug 26, 2026 4:33 AM MDT
- Forecast office
- RIW
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Horn County
Monday looks like the warmest upcoming period in Big Horn County at 85 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 8 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 26, 2026 4:33 AM MDT
- Coverage
- 4 days
- Time zone
- America/Denver
- Forecast office
- RIW
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 55.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 52.
Sunny, with a high near 85.
Partly cloudy, with a low around 55.
Sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
82°F |
2 to 6 mph
NW
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
55°F |
6 mph
NW
|
|
Sunday
Aug 30
|
Mostly Sunny
|
81°F |
6 mph
WSW
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
52°F |
7 mph
N
|
|
Monday
Aug 31
|
Sunny
|
85°F |
2 to 6 mph
SSE
|
|
Monday Night
Aug 31
|
Partly Cloudy
|
55°F |
3 to 7 mph
SE
|
|
Tuesday
Sep 1
|
Sunny
|
85°F |
5 to 8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Horn County.
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Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Big Horn County.