National Weather Service Forecast for: Sheridan WY
Issued by: National Weather Service Billings, MT
Updated: 12:32 am MDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a steady temperature around 55. Calm wind.
Mostly Clear

 Thursday

Thursday: Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Hot

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 57. Light and variable wind.
Partly Cloudy

 Friday

Friday: Mostly sunny and hot, with a high near 94. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Hot

 Friday
Night
Friday Night: Partly cloudy, with a low around 57. North northeast wind 5 to 7 mph becoming calm in the evening.
Partly Cloudy

 Saturday

Saturday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 94. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Sunday

Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
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 56. West wind 5 to 7 mph becoming calm after midnight.
Slight Chance
T-storms then
Mostly Clear
Lo 55 °F Hi 93 °F Lo 57 °F Hi 94 °F Lo 57 °F Hi 94 °F Lo 59 °F Hi 93 °F Lo 56 °F

 

Overnight
 
 Mostly clear, with a steady temperature around 55. Calm wind.
Thursday
 
 Sunny and hot, with a high near 93. Calm wind becoming north around 5 mph.
Thursday Night
 
 Partly cloudy, with a low around 57. Light and variable wind.
Friday
 
 Mostly sunny and hot, with a high near 94. Calm wind becoming north northwest 5 to 8 mph in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 57. North northeast wind 5 to 7 mph becoming calm in the evening.
Saturday
 
 A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 94. Calm wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
 
 A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 59. East wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 93. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. West wind 5 to 7 mph becoming calm after midnight.
Monday
 
 Sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 53. North wind around 6 mph becoming calm in the evening.
Tuesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. Light north wind.
Tuesday Night
 
 Partly cloudy, with a low around 53. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Sheridan WY.