National Weather Service Forecast for: Gillette WY
Issued by: National Weather Service Rapid City, SD
Updated: 9:22 am MDT Jul 28, 2026
 
Today

Today: A 20 percent chance of showers and thunderstorms after 2pm. Patchy smoke before 5pm. Sunny, with a high near 94. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Patchy Smoke
then Slight
Chance
T-storms
 Tonight

Tonight: Patchy smoke between 11pm and 3am. Partly cloudy, with a low around 64. East wind 9 to 13 mph becoming south in the evening. Winds could gust as high as 24 mph.
Patchy Smoke

 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunny then
Chance
T-storms
 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm before midnight. Partly cloudy, with a low around 63. East wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Showers
Likely then
Partly Cloudy
 Thursday

Thursday: A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 61. North wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 23 mph.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 96.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: Mostly clear, with a low around 62.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 98.
Sunny
Hi 94 °F Lo 64 °F Hi 96 °F Lo 63 °F Hi 94 °F Lo 61 °F Hi 96 °F Lo 62 °F Hi 98 °F

Air Quality Alert
 

Today
 
 A 20 percent chance of showers and thunderstorms after 2pm. Patchy smoke before 5pm. Sunny, with a high near 94. Southeast wind 6 to 10 mph, with gusts as high as 21 mph.
Tonight
 
 Patchy smoke between 11pm and 3am. Partly cloudy, with a low around 64. East wind 9 to 13 mph becoming south in the evening. Winds could gust as high as 24 mph.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96. South wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Showers likely and possibly a thunderstorm before midnight. Partly cloudy, with a low around 63. East wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Thursday
 
 A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Southwest wind 5 to 13 mph becoming north in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Thursday Night
 
 Mostly clear, with a low around 61. North wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 23 mph.
Friday
 
 A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 96.
Friday Night
 
 Mostly clear, with a low around 62.
Saturday
 
 Sunny, with a high near 98.
Saturday Night
 
 Mostly clear, with a low around 68. Breezy.
Sunday
 
 Sunny and hot, with a high near 101.
Sunday Night
 
 Mostly clear, with a low around 63. Breezy.
Monday
 
 Sunny, with a high near 87. Breezy.

 

Forecast from NOAA-NWS for Gillette WY.