Areas of Severe Thunderstorms and Excessive Rainfall Sunday

Scattered strong to severe thunderstorms may pose a risk for damaging wind gusts over the Carolinas, southeast Virginia, and the Tennessee Valley Sunday afternoon then the northern Plains from late afternoon into Sunday night. Monsoonal thunderstorms may cause locally considerable flash, urban, and small stream flooding in the Southwest U.S. the next few days. Read More >

Current conditions at

Buffalo - Johnson County Airport (KBYG)

Lat: 44.38122°NLon: 106.71947°WElev: 4925.0ft.

Mostly Cloudy

77°F

25°C

Humidity 57%
Wind Speed W 6 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 18 Jul 07:35 PM MDT
Extended Forecast for

Buffalo WY

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 10pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 66. North northwest wind 5 to 11 mph becoming west southwest after midnight.  Chance of precipitation is 30%.

    Low: 66 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm.  Sunny, with a high near 94. Light and variable wind becoming northeast 5 to 9 mph in the morning.  Chance of precipitation is 20%.

    High: 94 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. North wind around 8 mph becoming west after midnight.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 90. Breezy, with a northwest wind 8 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph.

    High: 90 °F

    Sunny and
    Breezy then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. North northeast wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 23 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 88. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 64. North northeast wind 6 to 9 mph becoming west after midnight.  Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Cloudy
    then Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers.  Mostly cloudy, with a low around 64. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. North northwest wind 5 to 11 mph becoming west southwest after midnight. Chance of precipitation is 30%.
Sunday
Isolated showers and thunderstorms before 4pm, then isolated showers and thunderstorms after 5pm. Sunny, with a high near 94. Light and variable wind becoming northeast 5 to 9 mph in the morning. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 66. North wind around 8 mph becoming west after midnight.
Monday
Sunny, with a high near 90. Breezy, with a northwest wind 8 to 16 mph becoming north northeast in the afternoon. Winds could gust as high as 23 mph.
Monday Night
Partly cloudy, with a low around 63. North northeast wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Light and variable wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 64. North northeast wind 6 to 9 mph becoming west after midnight. Chance of precipitation is 30%.
Wednesday
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Friday
A chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
A chance of showers and thunderstorms. Sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
Buffalo WY
 44.34°N 106.72°W (Elev. 4797 ft)
7:01 pm MDT Jul 18, 2026
7pm MDT Jul 18, 2026-6pm MDT Jul 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database