St. Louis, MO Weather Forecast
Right now it is 70°F and cloudy in St. Louis (as of Tue, 1:35 PM CST). This Afternoon: high near 73°F. Tomorrow: mostly cloudy, high near 64°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at St. Louis Downtown Airport (5 mi from the city center).
Weather tomorrow in St. Louis
Mostly Cloudy64°FMostly cloudy. High near 64, with temperatures falling to around 60 in the afternoon. West wind 6 to 12 mph.
Partly Cloudy47°FPartly cloudy, with a low around 47. Southwest wind around 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for St. Louis right now.
7-day forecast
Rain
96% chance of rain/snow73°F / 55°FRain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 16 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. Tonight: Rain and a slight chance of thunderstorms before 4am, then a chance of rain showers. Cloudy, with a low around 55. South wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 100%.
Mostly Cloudy64°F / 47°FMostly cloudy. High near 64, with temperatures falling to around 60 in the afternoon. West wind 6 to 12 mph. Wednesday Night: Partly cloudy, with a low around 47. Southwest wind around 5 mph.
Sunny66°F / 47°FSunny. High near 66, with temperatures falling to around 62 in the afternoon. West wind 5 to 9 mph. Thursday Night: Mostly cloudy, with a low around 47.
Mostly Cloudy59°F / 42°FMostly cloudy, with a high near 59. Friday Night: Mostly cloudy, with a low around 42.
Partly Sunny57°F / 39°FPartly sunny, with a high near 57. Saturday Night: Partly cloudy, with a low around 39.
Sunny62°F / 40°FSunny, with a high near 62. Sunday Night: Mostly clear, with a low around 40.
Sunny67°F / 44°FSunny, with a high near 67. Monday Night: Mostly clear, with a low around 44.
Forecast issued by NWS forecast office LSX · updated Nov 3, 1:01 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
St. Louis population: 278,144 (U.S. Census Bureau, July 1, 2025 estimate). More Missouri cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in St. Louis?
Wednesday, November 4: Mostly Cloudy, high near 64°F; night: partly cloudy, low around 47°F.
Where does the St. Louis forecast come from?
From the National Weather Service forecast office LSX, which writes the official forecast for St. Louis's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the St. Louis weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for St. Louis (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.