Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Overcast

48°F

9°C

Humidity 96%
Wind Speed WSW 3 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 21 Sep 05:53 AM MDT
Detailed forecast for

Northeast Johnson County

Today
Mostly cloudy this morning, then clearing. Areas of fog this morning. Highs in the upper 60s. Southeast winds around 10 mph this afternoon.
Tonight
Mostly clear. Lows around 50. Southeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday
Partly cloudy in the morning, then clearing. Highs in the mid 70s. Southeast winds 10 to 15 mph.
Tuesday Night
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming south after midnight. Chance of rain 20 percent.
Wednesday
Mostly sunny. Highs in the mid 70s. West winds around 10 mph, becoming north in the afternoon.
Wednesday Night
Mostly clear. Lows around 50.
Thursday
Mostly sunny. Highs around 80.
Thursday Night
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.
Friday
Mostly sunny and breezy. Highs in the lower 80s.
Friday Night
Mostly clear. Lows in the lower 50s.
Saturday
Mostly sunny. Highs in the mid 70s.
Saturday Night
Partly cloudy. Lows around 50.
Sunday
Partly cloudy in the morning, then clearing. Highs in the mid 70s.



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602 AM MDT Mon Sep 21 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database