National Weather Service Forecast for: Sheridan WY
Issued by: National Weather Service Billings, MT
Updated: 5:53 pm MDT Jun 18, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.
Partly Cloudy

 Juneteenth

Juneteenth: Mostly sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon.
Mostly Sunny

 Friday
Night
Friday Night: Mostly cloudy, with a low around 48. East wind 5 to 7 mph becoming calm after midnight.
Mostly Cloudy

 Saturday

Saturday: A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.
Partly Sunny
then Chance
T-storms
 Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Showers
Likely then
Chance
Showers
 Sunday

Sunday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Light west wind becoming northwest 15 to 20 mph in the morning. Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
 Sunday
Night
Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. North northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%.
Chance
T-storms then
Chance
Showers
 Monday

Monday: Showers likely, then showers and possibly a thunderstorm after noon. High near 68. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.
Showers

 Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming calm in the evening.
Chance
T-storms then
Mostly Clear
Lo 44 °F Hi 76 °F Lo 48 °F Hi 81 °F Lo 49 °F Hi 75 °F Lo 46 °F Hi 68 °F Lo 42 °F

 

Tonight
 
 Partly cloudy, with a low around 44. North wind around 6 mph becoming calm in the evening.
Juneteenth
 
 Mostly sunny, with a high near 76. Calm wind becoming east around 6 mph in the afternoon.
Friday Night
 
 Mostly cloudy, with a low around 48. East wind 5 to 7 mph becoming calm after midnight.
Saturday
 
 A 40 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 81. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of showers. Mostly cloudy, with a low around 49. West northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
 
 A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. Light west wind becoming northwest 15 to 20 mph in the morning. Chance of precipitation is 70%.
Sunday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. North northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday
 
 Showers likely, then showers and possibly a thunderstorm after noon. High near 68. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.
Monday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. North northwest wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming north northeast around 5 mph in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 45. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 48. East northeast wind around 6 mph becoming calm in the evening.
Thursday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Sheridan WY.