Big Horn County, MT Weather Forecast
County weather hub
Mostly Sunny then Slight Chance Showers And Thunderstorms
Compare major city weather across Big Horn County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 74. North wind 5 to 9 mph. 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 1 of 1 mapped cities in Big Horn County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jun 3 to Jun 6, 2026
- Latest sync
- May 31, 2026 11:09 AM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Horn County
Saturday looks like the warmest upcoming period in Big Horn County at 89 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Saturday Night at about 10 to 15 mph SE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 11:09 AM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- BYZ
- Radar station
- KBLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 51. East wind 6 to 10 mph.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76. Southeast wind 6 to 12 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52. Southeast wind 6 to 12 mph. Chance of precipitation is 40%.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 80. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 54. East southeast wind around 12 mph.
Sunny, with a high near 89. East northeast wind 7 to 12 mph.
Mostly clear, with a low around 58. Southeast wind 10 to 15 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
74°F |
5 to 9 mph
N
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
51°F |
6 to 10 mph
E
|
|
Thursday
Jun 4
|
Partly Sunny then Chance Showers And Thunderstorms
|
76°F |
6 to 12 mph
SE
|
|
Thursday Night
Jun 4
|
Chance Showers And Thunderstorms then Partly Cloudy
|
52°F |
6 to 12 mph
SE
|
|
Friday
Jun 5
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
80°F |
6 to 10 mph
NW
|
|
Friday Night
Jun 5
|
Mostly Clear
|
54°F |
12 mph
ESE
|
|
Saturday
Jun 6
|
Sunny
|
89°F |
7 to 12 mph
ENE
|
|
Saturday Night
Jun 6
|
Mostly Clear
|
58°F |
10 to 15 mph
SE
|
Major City Forecasts
Live forecast snapshots for major cities across Big Horn County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Big Horn County.
Largest mapped city population in this region: 3,705.
