Wyoming · NWS RIW office

Rock Springs, WY weather

It is 37°F and cloudy at Rock Springs, Rock Springs-Sweetwater County Airport as of Oct 28, 3:15 AM MDT. Overnight: Slight Chance Rain Showers, low near 35°F, 23% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 2:17 AM MDT.

Updated Oct 28, 3:29 AM MDT (snapshot)

Current conditions

Temperature

37°F

Cloudy · feels like 31°F

Wind

NNW 8 mph

Humidity 87% · dew point 34°F

Pressure · visibility

30.02 inHg

Visibility 10 mi

Observed at Rock Springs, Rock Springs-Sweetwater County Airport (KRKS), Oct 28, 3:15 AM MDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Rock Springs forecast zone right now.

Around the NWS RIW forecast area

No active alerts in zones served by the RIW office near Rock Springs.

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 Rock Springs (local time)
TimeTempForecastPrecip. chanceWind
Wed 5 AM37°FMostly Cloudy7%W 8 mph
Wed 6 AM38°FPartly Sunny2%WSW 8 mph
Wed 7 AM37°FMostly Sunny1%WSW 7 mph
Wed 8 AM35°FMostly Sunny1%SW 6 mph
Wed 9 AM38°FSunny0%SW 6 mph
Wed 10 AM42°FSunny0%WSW 6 mph
Wed 11 AM46°FSunny0%W 7 mph
Wed 12 PM46°FSunny0%W 7 mph
Wed 1 PM49°FSunny0%W 8 mph
Wed 2 PM51°FSunny0%W 9 mph
Wed 3 PM51°FSunny0%W 9 mph
Wed 4 PM51°FSunny0%W 8 mph
Wed 5 PM50°FSunny0%W 6 mph
Wed 6 PM48°FMostly Clear0%W 5 mph
Wed 7 PM45°FMostly Clear0%W 2 mph
Wed 8 PM43°FMostly Clear0%W 1 mph
Wed 9 PM42°FMostly Clear0%WNW 1 mph
Wed 10 PM40°FMostly Clear0% 0 mph
Wed 11 PM38°FMostly Clear0% 0 mph
Thu 12 AM35°FMostly Clear0% 0 mph
Thu 1 AM34°FMostly Clear0% 0 mph
Thu 2 AM33°FMostly Clear0% 0 mph
Thu 3 AM32°FMostly Clear0% 0 mph
Thu 4 AM31°FPartly Cloudy0% 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 Rock Springs can differ.

7-day forecast

Overnight

Low 35°F

A slight chance of rain showers before 4am. Mostly cloudy, with a low around 35. West wind around 8 mph. Chance of precipitation is 20%.

Wednesday

High 52°F·Low 29°F

Sunny, with a high near 52. West southwest wind 6 to 9 mph.

Wednesday Night: Mostly clear, with a low around 29. Northwest wind 0 to 5 mph.

Thursday

High 56°F·Low 35°F

Mostly sunny, with a high near 56. East wind around 3 mph.

Thursday Night: Mostly cloudy, with a low around 35. Southeast wind around 3 mph.

Friday

High 60°F·Low 36°F

Mostly sunny, with a high near 60. South southeast wind 2 to 9 mph.

Friday Night: Mostly cloudy, with a low around 36. South wind 2 to 7 mph.

Saturday

High 56°F·Low 35°F

A slight chance of rain showers after noon. Partly sunny, with a high near 56. Chance of precipitation is 20%.

Saturday Night: A chance of rain showers after midnight. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.

Sunday

High 50°F·Low 31°F

Rain showers likely. Mostly cloudy, with a high near 50.

Sunday Night: Rain showers likely. Mostly cloudy, with a low around 31.

Monday

High 44°F·Low 28°F

A chance of rain showers before 8am, then a chance of snow showers between 8am and 11am, then a slight chance of rain showers. Mostly sunny, with a high near 44.

Monday Night: A slight chance of rain showers before 11pm. Partly cloudy, with a low around 28.

Tuesday

High 48°F

Mostly sunny, with a high near 48.

Nearby cities

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About this forecast

Forecast office
Rock Springs is served by the National Weather Service RIW forecast office, forecast zone WYZ028, county zone WYC037.
Location used
The Census Bureau's internal point for Rock Springs (41.5947, -109.2209), in Sweetwater County. Population: 22,967 (2024 estimate), number 5 of the 5 Wyoming cities on this site.
Radar
Nearest NWS radar: KRIW. 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/41.5947,-109.2209 (forecast issued Oct 28, 2:17 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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