National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Risks of Severe Thunderstorms and Excessive Rainfall; Fire Weather Concerns and Record Warmth

Severe thunderstorms and flash flooding risks increase across the center of the nation today. Meanwhile, ongoing thunderstorms and flash flooding will linger along the Gulf Coast states through the evening. The Great Basin and Intermountain West, warm temperatures and dry fuels with dry lightning may enhance fire weather potential. In addition, across interior Alaska, Red Flag Warning are posted. Read More >

Hazardous Weather Conditions

Current conditions at

Buffalo - Johnson County Airport (KBYG)

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

Mostly Cloudy

74°F

23°C

Humidity 30%
Wind Speed SSW 16 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 20 Jun 01:53 PM MDT
Extended Forecast for

11 Miles WSW Buffalo WY

Severe T-storm Watch until June 20, 09:00pm
Click here for hazard details and duration
Severe T-storm Watch
  •  
    Severe T-storm Watch until June 20, 09:00pm

    NOW until 9:00pm Sat

    Severe T-storm Watch

  • This Afternoon

    High: 66 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Scattered showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 46. Breezy, with a west northwest wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%.

    Low: 46 °F

    Severe
    Thunderstorms
    and Breezy
    then
    Scattered
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. West northwest wind 5 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 44. North northeast wind 5 to 7 mph becoming calm in the evening.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 9am. High near 61. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 61 °F

    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 41. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Calm wind becoming north northeast around 6 mph in the afternoon.

    High: 59 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 41.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. Partly sunny, with a steady temperature around 66. North wind 9 to 13 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Scattered showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a low around 46. Breezy, with a west northwest wind 5 to 15 mph becoming north in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 61. West northwest wind 5 to 11 mph becoming north in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 4am. Partly cloudy, with a low around 44. North northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Showers likely, then showers and possibly a thunderstorm after 9am. High near 61. Light and variable wind becoming north 5 to 9 mph in the morning. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 41. North wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 59. Calm wind becoming north northeast around 6 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly clear, with a low around 41.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 65. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Partly cloudy, with a low around 45. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 68.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 48.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Buffalo WY
 44.29°N 106.93°W (Elev. 7592 ft)
Last Update:
12:32 pm MDT Jun 20, 2026
Forecast Valid:
2pm MDT Jun 20, 2026-6pm MDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation