National Weather Service Forecast for: Buffalo WY
Issued by: National Weather Service Riverton, WY
Updated: 8:17 pm MDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 48. North wind 5 to 11 mph becoming west after midnight.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 73. West northwest wind 5 to 9 mph becoming east in the afternoon.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 52. East wind 5 to 9 mph becoming south southwest in the evening.
Partly Cloudy

 Saturday

Saturday: Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81. South wind around 9 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Mostly Cloudy
then Showers
Likely
 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Chance
Showers
 Sunday

Sunday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 71. Breezy, with a north northwest wind 8 to 13 mph increasing to 17 to 22 mph. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Breezy.
Chance
Showers then
Showers
 Sunday
Night
Sunday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. North wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Showers
Likely

 Monday

Monday: Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 90%.
Showers
Likely then
Showers
 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Chance
T-storms then
Mostly Clear
Lo 48 °F Hi 73 °F Lo 52 °F Hi 81 °F Lo 53 °F Hi 71 °F Lo 49 °F Hi 66 °F Lo 47 °F

 

Tonight
 
 Partly cloudy, with a low around 48. North wind 5 to 11 mph becoming west after midnight.
Juneteenth
 
 Mostly sunny, with a high near 73. West northwest wind 5 to 9 mph becoming east in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 52. East wind 5 to 9 mph becoming south southwest in the evening.
Saturday
 
 Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 81. South wind around 9 mph becoming north northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 53. West northwest wind 5 to 9 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A chance of showers, then showers and possibly a thunderstorm after noon. High near 71. Breezy, with a north northwest wind 8 to 13 mph increasing to 17 to 22 mph. Winds could gust as high as 31 mph. Chance of precipitation is 90%.
Sunday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. North wind 5 to 8 mph becoming light and variable after midnight. Chance of precipitation is 70%.
Monday
 
 Showers and possibly a thunderstorm. High near 66. Chance of precipitation is 90%.
Monday Night
 
 A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly clear, with a low around 50.
Wednesday
 
 A chance of showers and thunderstorms. Sunny, with a high near 78.
Wednesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 53.
Thursday
 
 A chance of showers and thunderstorms. Mostly sunny, with a high near 80.

 

Forecast from NOAA-NWS for Buffalo WY.