Gillette, WY Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Gillette, WY in one place.
A chance of showers and thunderstorms after noon. Mostly sunny. High near 79, with temperatures falling to around 76 in the afternoon. South wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Gillette, WY is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 27, 2026 8:40 PM MDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Gillette, WY.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 8:40 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Gillette
Saturday looks like the warmest upcoming period in Gillette at 79 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Saturday at about 15 to 18 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 8:40 PM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms. Partly cloudy, with a low around 46.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 72.
A chance of showers and thunderstorms. Partly cloudy, with a low around 42.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 72.
A chance of showers and thunderstorms. Partly cloudy, with a low around 43.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny then Chance Showers And Thunderstorms
|
79°F |
15 to 18 mph
S
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
46°F |
10 to 18 mph
SW
|
|
Sunday
May 31
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
72°F |
9 to 14 mph
W
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
42°F |
8 to 15 mph
NW
|
|
Monday
Jun 1
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
72°F |
8 to 12 mph
SE
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms
|
43°F |
7 to 13 mph
SE
|
|
Tuesday
Jun 2
|
Mostly Sunny then Chance Showers And Thunderstorms
|
73°F |
7 to 10 mph
SE
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms then Partly Cloudy
|
44°F |
10 mph
SE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
75°F |
10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Gillette.