National Weather Service Forecast for: Buffalo WY
Issued by: National Weather Service Riverton, WY
Updated: 2:47 am MDT Aug 20, 2026
 
Overnight

Overnight: Patchy smoke. Mostly clear, with a low around 59. West wind around 8 mph.
Patchy Smoke


 Thursday

Thursday: Patchy smoke. Sunny, with a high near 89. West wind 5 to 7 mph becoming light and variable.
Patchy Smoke


 Thursday
Night
Thursday Night: Patchy smoke. Partly cloudy, with a low around 62. North northeast wind 6 to 8 mph becoming southwest after midnight.
Patchy Smoke


 Friday

Friday: Patchy smoke. Mostly sunny, with a high near 90. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Patchy Smoke


 Friday
Night
Friday Night: Partly cloudy, with a low around 63. North wind 5 to 11 mph becoming southwest after midnight.
Partly Cloudy


 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Breezy, with a south southwest wind 6 to 11 mph becoming south southeast 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Breezy.
Partly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. East southeast wind 7 to 9 mph becoming west after midnight.
Slight Chance
T-storms then
Partly Cloudy

 Sunday

Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Mostly Sunny
then Chance
T-storms

 Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Slight Chance
T-storms then
Mostly Clear
Lo 59 °F Hi 89 °F Lo 62 °F Hi 90 °F Lo 63 °F Hi 88 °F Lo 64 °F Hi 87 °F Lo 61 °F

 

Overnight
 
 Patchy smoke. Mostly clear, with a low around 59. West wind around 8 mph.
Thursday
 
 Patchy smoke. Sunny, with a high near 89. West wind 5 to 7 mph becoming light and variable.
Thursday Night
 
 Patchy smoke. Partly cloudy, with a low around 62. North northeast wind 6 to 8 mph becoming southwest after midnight.
Friday
 
 Patchy smoke. Mostly sunny, with a high near 90. Light and variable wind becoming north 8 to 13 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
 
 Partly cloudy, with a low around 63. North wind 5 to 11 mph becoming southwest after midnight.
Saturday
 
 A 20 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 88. Breezy, with a south southwest wind 6 to 11 mph becoming south southeast 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. East southeast wind 7 to 9 mph becoming west after midnight.
Sunday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61.
Monday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82.
Monday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Tuesday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Buffalo WY.