National Weather Service Forecast for: Gillette WY
Issued by: National Weather Service Rapid City, SD
Updated: 9:22 am MDT May 4, 2026
 
Today

Today: A 20 percent chance of showers after noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 18 to 20 mph, with gusts as high as 31 mph.
Slight Chance
Showers and
Breezy
 Tonight

Tonight: Mostly cloudy, with a low around 29. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Mostly Cloudy

 Tuesday

Tuesday: A 20 percent chance of snow showers after noon. Partly sunny, with a high near 46. North wind 6 to 16 mph, with gusts as high as 28 mph.
Partly Sunny
then Slight
Chance Snow
Showers
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 23. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 24 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 52. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 33. Northwest wind 6 to 11 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Partly Cloudy

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Southwest wind 10 to 16 mph becoming northwest in the morning. Winds could gust as high as 28 mph.
Partly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Chance
Showers then
Mostly Cloudy
 Friday

Friday: Mostly sunny, with a high near 66.
Mostly Sunny
Hi 52 °F Lo 29 °F Hi 46 °F Lo 23 °F Hi 52 °F Lo 33 °F Hi 63 °F Lo 38 °F Hi 66 °F

 

Today
 
 A 20 percent chance of showers after noon. Mostly cloudy, with a high near 52. Breezy, with a north wind 18 to 20 mph, with gusts as high as 31 mph.
Tonight
 
 Mostly cloudy, with a low around 29. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
 
 A 20 percent chance of snow showers after noon. Partly sunny, with a high near 46. North wind 6 to 16 mph, with gusts as high as 28 mph.
Tuesday Night
 
 Partly cloudy, with a low around 23. North wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 24 mph.
Wednesday
 
 Mostly sunny, with a high near 52. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Wednesday Night
 
 Partly cloudy, with a low around 33. Northwest wind 6 to 11 mph becoming southwest in the evening. Winds could gust as high as 20 mph.
Thursday
 
 A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 63. Southwest wind 10 to 16 mph becoming northwest in the morning. Winds could gust as high as 28 mph.
Thursday Night
 
 A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 38. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Friday
 
 Mostly sunny, with a high near 66.
Friday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 41.
Saturday
 
 A chance of showers and thunderstorms. Partly sunny, with a high near 64. Breezy.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 40.
Sunday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Gillette WY.