National Weather Service Forecast for: Buffalo WY
Issued by: National Weather Service Riverton, WY
Updated: 5:16 am MDT Jun 22, 2026
 
Overnight

Overnight: A 10 percent chance of showers and thunderstorms.  Partly cloudy, with a steady temperature around 55. South wind around 8 mph.
Slight Chance
T-storms

Monday

Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Mostly sunny, with a high near 74. Breezy, with a south wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Chance
T-storms and
Breezy

Monday
Night
Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 50. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms and
Breezy then
Slight Chance
Showers
Tuesday

Tuesday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 66. North wind 5 to 8 mph.  Chance of precipitation is 40%.
Chance
Showers

Tuesday
Night
Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 49. North wind 5 to 7 mph becoming calm  in the evening.
Slight Chance
T-storms then
Partly Cloudy

Wednesday

Wednesday: A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 70. Calm wind becoming east 5 to 8 mph in the morning.  Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight.  Mostly cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming light and variable  after midnight.  Chance of precipitation is 60%.
Showers
Likely then
Slight Chance
T-storms
Thursday

Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon.  High near 75. Chance of precipitation is 80%.
Chance
Showers then
Showers

Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 53.
Chance
T-storms then
Mostly Cloudy

Lo 55 °F Hi 74 °F Lo 50 °F Hi 66 °F Lo 49 °F Hi 70 °F Lo 50 °F Hi 75 °F Lo 53 °F

 

Overnight
 
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a steady temperature around 55. South wind around 8 mph.
Monday
 
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 74. Breezy, with a south wind 8 to 17 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Monday Night
 
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 50. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. North wind 5 to 8 mph. Chance of precipitation is 40%.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.
Wednesday
 
A chance of showers before 9am, then a chance of showers and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 70. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 70%.
Wednesday Night
 
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%.
Thursday
 
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 75. Chance of precipitation is 80%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 53.
Friday
 
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Friday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Saturday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Breezy.
Saturday Night
 
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 50.
Sunday
 
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Buffalo WY.