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Saint Louis City
 Details for Saint Louis City Flood Watch  +1 additional alert
USA Weather Finder
Flood Watch FLOOD WATCH - Saint Louis City  - Saint Louis County

Regional Radar Regional Visible Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 27-Apr-2026 3:00pm - next update at 3:05pm  
Summary / Temperature Wind Rain Outlook
overcast - Cumulonimbus clouds observed overcast - Cumulonimbus clouds observed
Currently: 74.5, Max: 76.6, Min: 61.5 74.5°F
Warmer 6.0°F than last hour.

Comfortable

Feels like: 74.8°F

24-hr difference
-6.6°FColder 6.6°F than yesterday at this time.
  Today Yesterday
High: 76.6°F
12:40pm 		86.7°F
4:25pm
Low: 61.5°F
5:38am 		55.4°F
6:31am
Wind from SE SE
1.4
Gust:
 3.8 mph
0 Bft - Light Air
Today: 20.7 mph 12:50pm
Gust Month: 41.4 mph April 2
Rain Today: 0.29 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 3.09 in
Season Total: 9.32 in
5 rain days in April.
Tonight

Tonight: Showers And Thunderstorms then Mostly Cloudy
Showers And T-Storms then Mostly Cloudy
Humidity & Barometer Almanac Moon
Humidity: 81 % Increased 2.0% since last hour.
Dew Point: 68.3°F Increased 6.5°F since last hour.
Barometer: 29.607 inHg Falling 0.02 inHg/hr
Baro Trend: Falling slowly
Sunrise: 6:08am
Sunset: 7:48pm
Moonset: 4:04am
Moonrise: 4:12pm
Waxing Gibbous
Waxing Gibbous, Moon at 11 days in cycle
86%
Illuminated
UV Index Solar Radiation
   6.7     High 
High: 9.2 @ 2:25pm
579 W/m2 (69 %)
High: 692 @  2:24pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 84 °F		 NWS forecast: A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely between 3pm and 4pm, then showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 84. South wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
 
Tonight

Tonight: Showers And Thunderstorms then Mostly Cloudy
Showers And T-Storms then Mostly Cloudy

Lo 54 °F		 NWS forecast: Showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 10pm. Some of the storms could be severe and produce heavy rain. Mostly cloudy, with a low around 54. West wind 6 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.