Missouri · NWS LSX office

St. Louis, MO weather

It is 47°F and clear at St. Louis Downtown Airport as of Oct 28, 3:53 AM CDT. Overnight: Partly Cloudy, low near 53°F. Forecast from the National Weather Service, issued Oct 28, 1:26 AM CDT.

Updated Oct 28, 4:13 AM CDT (snapshot)

Current conditions

Temperature

47°F

Clear

Wind

Calm

Humidity 97% · dew point 46°F

Pressure · visibility

30.21 inHg

Visibility 8 mi

Observed at St. Louis Downtown Airport (KCPS), Oct 28, 3:53 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the St. Louis forecast zone right now.

Around the NWS LSX forecast area

No active alerts in zones served by the LSX office near St. Louis.

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

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 St. Louis (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM53°FPartly Cloudy0%S 2 mph
Wed 5 AM54°FPartly Cloudy0%S 2 mph
Wed 6 AM54°FMostly Sunny0%S 2 mph
Wed 7 AM53°FMostly Sunny0%S 3 mph
Wed 8 AM55°FSunny0%S 3 mph
Wed 9 AM59°FSunny0%S 5 mph
Wed 10 AM64°FSunny0%S 5 mph
Wed 11 AM69°FSunny0%S 6 mph
Wed 12 PM72°FSunny1%S 7 mph
Wed 1 PM75°FSunny1%S 7 mph
Wed 2 PM76°FSunny1%S 8 mph
Wed 3 PM78°FSunny0%S 8 mph
Wed 4 PM78°FSunny0%S 8 mph
Wed 5 PM76°FSunny0%S 7 mph
Wed 6 PM73°FClear0%S 7 mph
Wed 7 PM68°FMostly Clear0%S 7 mph
Wed 8 PM67°FClear0%S 7 mph
Wed 9 PM65°FClear0%S 7 mph
Wed 10 PM64°FClear1%S 6 mph
Wed 11 PM62°FClear1%S 6 mph
Thu 12 AM61°FClear1%S 5 mph
Thu 1 AM60°FMostly Clear1%S 5 mph
Thu 2 AM59°FMostly Clear1%S 5 mph
Thu 3 AM59°FMostly Clear1%S 5 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 St. Louis can differ.

7-day forecast

Overnight

Low 53°F

Partly cloudy, with a low around 53. South wind around 2 mph.

Wednesday

High 78°F·Low 56°F

Sunny, with a high near 78. South wind 2 to 8 mph.

Wednesday Night: Mostly clear, with a low around 56. South wind around 7 mph.

Thursday

High 82°F·Low 59°F

Sunny, with a high near 82. Southwest wind around 5 mph.

Thursday Night: Partly cloudy, with a low around 59. North wind around 2 mph.

Friday

High 79°F·Low 59°F

Mostly sunny, with a high near 79.

Friday Night: Mostly cloudy, with a low around 59.

Saturday

High 74°F·Low 57°F

A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 74. Chance of precipitation is 20%.

Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.

Sunday

High 72°F·Low 57°F

A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.

Sunday Night: A slight chance of rain showers after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 20%.

Monday

High 72°F·Low 58°F

A chance of rain showers. Mostly cloudy, with a high near 72. Chance of precipitation is 50%.

Monday Night: Rain showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Tuesday

High 72°F

Rain showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.

Nearby cities

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

About this forecast

Forecast office
St. Louis is served by the National Weather Service LSX forecast office, forecast zone MOZ064, county zone MOC510.
Location used
The Census Bureau's internal point for St. Louis (38.6357, -90.2446), in St. Louis city. Population: 279,695 (2024 estimate), number 2 of the 36 Missouri cities on this site.
Radar
Nearest NWS radar: KLSX. 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/38.6357,-90.2446 (forecast issued Oct 28, 1:26 AM CDT).
  • 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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