Wyoming · NWS UNR office

Gillette, WY weather

It is 41°F and cloudy at Gillette, Gillette-Campbell County Airport as of Oct 28, 2:53 AM MDT. Overnight: Chance Rain And Snow Showers, low near 33°F, 33% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:31 AM MDT.

Updated Oct 28, 3:24 AM MDT (snapshot)

Current conditions

Temperature

41°F

Cloudy

Wind

Calm

Humidity 38% · dew point 17°F

Pressure · visibility

29.88 inHg

Visibility 10 mi

Observed at Gillette, Gillette-Campbell County Airport (KGCC), Oct 28, 2:53 AM MDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Gillette forecast zone right now.

Around the NWS UNR forecast area

No active alerts in zones served by the UNR office near Gillette.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Wyoming.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Gillette (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM39°FChance Rain And Snow Showers33%SW 8 mph
Wed 6 AM35°FMostly Cloudy6%SW 8 mph
Wed 7 AM34°FPartly Sunny6%SW 8 mph
Wed 8 AM35°FMostly Sunny1%W 8 mph
Wed 9 AM40°FSunny1%W 7 mph
Wed 10 AM44°FSunny0%W 7 mph
Wed 11 AM48°FSunny0%NW 6 mph
Wed 12 PM50°FSunny0%NW 6 mph
Wed 1 PM52°FSunny0%NW 5 mph
Wed 2 PM54°FSunny0%W 5 mph
Wed 3 PM55°FSunny0%SW 6 mph
Wed 4 PM55°FSunny0%SW 5 mph
Wed 5 PM52°FSunny0%S 5 mph
Wed 6 PM49°FMostly Clear0%S 6 mph
Wed 7 PM45°FMostly Clear0%S 6 mph
Wed 8 PM43°FMostly Clear0%S 6 mph
Wed 9 PM41°FMostly Clear0%S 6 mph
Wed 10 PM40°FMostly Clear0%S 7 mph
Wed 11 PM39°FMostly Clear0%S 7 mph
Thu 12 AM38°FMostly Clear0%S 7 mph
Thu 1 AM37°FMostly Clear0%S 7 mph
Thu 2 AM37°FMostly Clear0%SW 7 mph
Thu 3 AM36°FMostly Clear0%SW 7 mph
Thu 4 AM34°FMostly Clear0%SW 7 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Gillette can differ.

7-day forecast

Overnight

Low 33°F

A chance of rain and snow showers after 4am. Mostly cloudy. Low around 33, with temperatures rising to around 39 overnight. Southwest wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Wednesday

High 56°F·Low 32°F

Sunny. High near 56, with temperatures falling to around 52 in the afternoon. West wind 5 to 8 mph, with gusts as high as 21 mph.

Wednesday Night: Mostly clear, with a low around 32. South wind around 7 mph, with gusts as high as 20 mph.

Thursday

High 58°F·Low 33°F

Sunny. High near 58, with temperatures falling to around 54 in the afternoon. Southwest wind around 6 mph, with gusts as high as 18 mph.

Thursday Night: Partly cloudy, with a low around 33. Southeast wind around 7 mph, with gusts as high as 17 mph.

Friday

High 57°F·Low 40°F

Mostly sunny. High near 57, with temperatures falling to around 54 in the afternoon. Southeast wind 7 to 20 mph, with gusts as high as 33 mph.

Friday Night: Mostly cloudy, with a low around 40.

Saturday

High 60°F·Low 38°F

Mostly sunny, with a high near 60.

Saturday Night: Mostly cloudy, with a low around 38.

Sunday

High 58°F·Low 34°F

Rain likely after 11am. Mostly cloudy, with a high near 58.

Sunday Night: Rain. Cloudy, with a low around 34.

Monday

High 45°F·Low 30°F

Rain likely before 8am, then rain and snow likely. Partly sunny, with a high near 45.

Monday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 30.

Tuesday

High 50°F

A slight chance of rain and snow. Partly sunny, with a high near 50.

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About this forecast

Forecast office
Gillette is served by the National Weather Service UNR forecast office, forecast zone WYZ054, county zone WYC005.
Location used
The Census Bureau's internal point for Gillette (44.2726, -105.4989), in Campbell County. Population: 33,846 (2024 estimate), number 3 of the 5 Wyoming cities on this site.
Radar
Nearest NWS radar: KUDX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/44.2726,-105.4989 (forecast issued Oct 28, 12:31 AM MDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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