Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122° N Lon: 106.71947° W Elev: 4925.0 ft.

Clear

75°F

24°C

Humidity 23%
Wind Speed SW 17 MPH
Barometer 29.64 in (1003.73 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 27 Jun 05:10 PM MDT
Detailed forecast for

Bighorn Mountains Southeast

Rest Of Tonight
Cloudy, breezy with lows in the lower 40s. Southwest winds 20 to 25 mph with gusts up to 45 mph.
Monday
Partly cloudy and very windy. Highs in the upper 50s. Southwest winds 30 to 40 mph with gusts up to 65 mph.
Monday Night
Mostly clear and very windy. Lows in the lower 40s. West winds 30 to 40 mph with gusts up to 65 mph, diminishing to 20 to 30 mph with gusts up to 50 mph after midnight.
Tuesday
Mostly sunny in the morning, then becoming partly cloudy. Breezy with highs in the upper 60s. West winds 20 to 25 mph with gusts up to 45 mph, diminishing to 10 to 15 mph with gusts up to 30 mph in the afternoon.
Tuesday Night
Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms. A chance of rain showers after midnight. Lows in the mid 40s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
Wednesday
Mostly sunny with a chance of rain showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of rain 50 percent.
Wednesday Night
Partly cloudy. A chance of rain showers with a slight chance of thunderstorms in the evening. Lows in the upper 40s. Chance of rain 30 percent.
Thursday
Mostly sunny in the morning, then becoming partly cloudy. A slight chance of. Breezy with highs in the lower 70s.
Thursday Night
Partly cloudy. Lows in the upper 40s.
Friday
Partly cloudy. A slight chance of. Breezy with highs in the mid 70s.
Friday Night
Partly cloudy. Lows in the upper 40s.
Independence Day
Mostly sunny with a chance of rain showers. A chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 40 percent.
Saturday Night
Mostly clear. Lows in the mid 40s.
Sunday
Mostly sunny. A slight chance of. Highs in the lower 70s.



Basemap Options
Click map to change the forecast location
Loading map...
1217 AM MDT Mon Jun 29 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database