Big Horn County, MT Weather Forecast
County weather hub
Partly Sunny then Chance Rain Showers
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 chance of rain showers after noon. Partly sunny. High near 61, with temperatures falling to around 59 in the afternoon. West wind 8 to 15 mph. Chance of precipitation is 40%.
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
- Apr 15, 2026
- Latest sync
- Apr 9, 2026 7:20 PM MDT
- Forecast office
- BYZ
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Horn County
Wednesday looks like the warmest upcoming period in Big Horn County at 61 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 15 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 7:20 PM MDT
- Coverage
- 2 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
Rain showers likely before 3am, then a chance of rain and snow showers. Mostly cloudy. Low around 35, with temperatures rising to around 38 overnight. Northwest wind around 14 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 15
|
Partly Sunny then Chance Rain Showers
|
61°F |
8 to 15 mph
W
|
|
Wednesday Night
Apr 15
|
Rain Showers Likely then Chance Rain And Snow Showers
|
35°F |
14 mph
NW
|
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.
