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Saint Louis City
 Details for Saint Louis City Frost Advisory  +1 additional alert
USA Weather Finder
Frost Advisory FROST ADVISORY - Saint Louis City  - Saint Louis County

Regional Radar Regional Visible Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 27-Mar-2026 1:40pm - next update at 1:45pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 50.5, Max: 56.7, Min: 32.0 50.5°F
Warmer 5.0°F than last hour.

Cool

Feels like: 47°F

24-hr difference
18.5°FWarmer 18.5°F than yesterday at this time.
  Today Yesterday
High: 56.7°F
12:01am 		97.7°F
4:19pm
Low: 32°F
6:43am 		56.5°F
11:57pm
Wind from NW NW
7.8
Gust:
 10 mph
2 Bft - Gentle Breeze
Today: 28.8 mph 5:59am
Gust Month: 50.3 mph March 16
Rain Today: 0.25 in
Rain Rate (/hr): 0 in
Rain Yesterday: 0 in
Storm Rain: 0 in
This Month: 4.66 in
Season Total: 6.24 in
1 rain day in March.
Tonight

Tonight: Mostly Clear
Mostly Clear
Humidity & Barometer Almanac Moon
Humidity: 62 % Decreased 5.0% since last hour.
Dew Point: 38°F Increased 2.8°F since last hour.
Barometer: 30.481 inHg  
Baro Trend: Steady
Sunrise: 6:53am
Sunset: 7:19pm
Moonset: 4:04am
Moonrise: 1:50pm
Waxing Gibbous
Waxing Gibbous, Moon at 9 days in cycle
72%
Illuminated
UV Index Solar Radiation
   3.8     Medium 
High: 7.6 @ 1:35pm
283 W/m2 (34 %)
High: 598 @  12:43pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Mostly Sunny
Mostly Sunny

Hi 53 °F		 NWS forecast: Mostly sunny, with a high near 53. North wind 10 to 14 mph, with gusts as high as 24 mph.
 
Tonight

Tonight: Mostly Clear
Mostly Clear

Lo 33 °F		 NWS forecast: Mostly clear, with a low around 33. North wind 3 to 12 mph, with gusts as high as 22 mph.