National Weather Service Forecast for: Gillette WY
Issued by: National Weather Service Rapid City, SD
Updated: 1:37 am MST Feb 2, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 32. Northwest wind around 9 mph, with gusts as high as 17 mph.
Mostly Cloudy

 Monday

Monday: Mostly sunny, with a high near 49. Breezy, with a northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Mostly Sunny
and Breezy

 Monday
Night
Monday Night: Increasing clouds, with a low around 29. West wind 7 to 10 mph, with gusts as high as 18 mph.
Increasing
Clouds

 Tuesday

Tuesday: A chance of snow before noon, then a chance of rain between noon and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Chance Snow
then Chance
Rain/Snow and
Breezy
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 23. Northwest wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 53. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 20 mph.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 59. West wind 9 to 13 mph, with gusts as high as 21 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 30.
Mostly Clear
Lo 32 °F Hi 49 °F Lo 29 °F Hi 44 °F Lo 23 °F Hi 53 °F Lo 33 °F Hi 59 °F Lo 30 °F

 

Overnight
 
 Mostly cloudy, with a low around 32. Northwest wind around 9 mph, with gusts as high as 17 mph.
Monday
 
 Mostly sunny, with a high near 49. Breezy, with a northwest wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
 
 Increasing clouds, with a low around 29. West wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
 
 A chance of snow before noon, then a chance of rain between noon and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday Night
 
 Partly cloudy, with a low around 23. Northwest wind 6 to 14 mph becoming west after midnight. Winds could gust as high as 23 mph.
Wednesday
 
 Mostly sunny, with a high near 53. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
 
 Partly cloudy, with a low around 33. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
 
 Sunny, with a high near 59. West wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday Night
 
 Mostly clear, with a low around 30.
Friday
 
 Sunny, with a high near 59.
Friday Night
 
 Mostly clear, with a low around 32.
Saturday
 
 Mostly sunny, with a high near 55.
Saturday Night
 
 Partly cloudy, with a low around 31.
Sunday
 
 Mostly sunny, with a high near 60.

 

Forecast from NOAA-NWS for Gillette WY.