Wyoming · NWS CYS office

Cheyenne, WY weather

It is 40°F and clear at Cheyenne, Cheyenne Airport as of Oct 28, 2:53 AM MDT. Overnight: Mostly Cloudy, low near 39°F. Forecast from the National Weather Service, issued Oct 28, 12:30 AM MDT.

Updated Oct 28, 3:19 AM MDT (snapshot)

Current conditions

Temperature

40°F

Clear · feels like 35°F

Wind

W 8 mph

Humidity 83% · dew point 35°F

Pressure · visibility

—

Visibility 10 mi

Observed at Cheyenne, Cheyenne Airport (KCYS), Oct 28, 2:53 AM MDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS CYS forecast area

No active alerts in zones served by the CYS office near Cheyenne.

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 Cheyenne (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM39°FMostly Cloudy0%W 5 mph
Wed 6 AM40°FMostly Cloudy0%W 10 mph
Wed 7 AM40°FPartly Sunny0%W 10 mph
Wed 8 AM42°FPartly Sunny0%W 10 mph
Wed 9 AM46°FMostly Sunny0%WNW 15 mph
Wed 10 AM52°FMostly Sunny0%W 15 mph
Wed 11 AM55°FSunny0%W 15 mph
Wed 12 PM58°FSunny0%W 15 mph
Wed 1 PM60°FSunny0%W 15 mph
Wed 2 PM61°FSunny0%W 15 mph
Wed 3 PM61°FSunny0%W 10 mph
Wed 4 PM60°FSunny0%W 10 mph
Wed 5 PM59°FSunny0%SW 10 mph
Wed 6 PM55°FPartly Cloudy3%SW 10 mph
Wed 7 PM49°FPartly Cloudy4%SW 10 mph
Wed 8 PM48°FPartly Cloudy3%SW 10 mph
Wed 9 PM46°FPartly Cloudy3%S 5 mph
Wed 10 PM44°FPartly Cloudy2%S 5 mph
Wed 11 PM44°FPartly Cloudy1%S 5 mph
Thu 12 AM43°FPartly Cloudy1%S 5 mph
Thu 1 AM41°FMostly Clear0%SSW 5 mph
Thu 2 AM40°FMostly Clear0% 0 mph
Thu 3 AM40°FMostly Clear0% 0 mph
Thu 4 AM39°FMostly Clear0% 0 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 Cheyenne can differ.

7-day forecast

Overnight

Low 39°F

Mostly cloudy, with a low around 39. West wind around 5 mph.

Wednesday

High 62°F·Low 38°F

Mostly sunny. High near 62, with temperatures falling to around 59 in the afternoon. West wind 10 to 15 mph, with gusts as high as 30 mph.

Wednesday Night: Partly cloudy, with a low around 38. Southwest wind 0 to 10 mph.

Thursday

High 61°F·Low 38°F

Mostly sunny, with a high near 61. Southwest wind 0 to 10 mph.

Thursday Night: Partly cloudy, with a low around 38. South wind 0 to 5 mph.

Friday

High 61°F·Low 39°F

Mostly sunny, with a high near 61.

Friday Night: Mostly cloudy, with a low around 39.

Saturday

High 60°F·Low 36°F

Mostly sunny, with a high near 60.

Saturday Night: Partly cloudy, with a low around 36.

Sunday

High 57°F·Low 35°F

Rain showers likely after 11am. Partly sunny, with a high near 57.

Sunday Night: Rain showers likely before 5am, then rain and snow showers likely. Mostly cloudy, with a low around 35.

Monday

High 47°F·Low 30°F

Rain and snow showers likely. Partly sunny, with a high near 47.

Monday Night: A chance of rain and snow showers. Partly cloudy, with a low around 30. Little or no snow accumulation expected.

Tuesday

High 49°F

A slight chance of snow showers before 11am, then a slight chance of rain and snow showers. Mostly sunny, with a high near 49.

Nearby cities

Larger cities in the area

See every city we cover in Wyoming, or check all active alerts.

About this forecast

Forecast office
Cheyenne is served by the National Weather Service CYS forecast office, forecast zone WYZ118, county zone WYC021.
Location used
The Census Bureau's internal point for Cheyenne (41.1287, -104.7908), in Laramie County. Population: 65,704 (2024 estimate), number 1 of the 5 Wyoming cities on this site.
Radar
Nearest NWS radar: KCYS. 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/41.1287,-104.7908 (forecast issued Oct 28, 12:30 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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