Extreme Heat Warning EXTREME HEAT WARNING - Saint Louis City  - Saint Louis County

Regional Radar Regional Visible Satellite
Radar/Satellite images courtesy of Weather Underground.
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Updated: @ 18-Jul-2025 5:30pm - next update at 5:35pm  
Summary / Temperature Wind Rain Outlook
Mostly cloudy Mostly cloudy
Currently: 84.7, Max: 86.0, Min: 72.0 84.7°F
Colder 0.3°F than last hour.

Warm

Feels like: 100.4°F

24-hr difference
-2.9°FColder 2.9°F than yesterday at this time.
  Today Yesterday
High: 86°F
1:35pm
92.3°F
12:49pm
Low: 72°F
3:27am
70.7°F
8:19pm
 Wind from SE SE
1
Gust:
0 mph
0 Bft - Calm
Today: 40.8 mph 5:23am
Gust Month: 58.0 mph July 12
Rain Today: 0 in
Rain Rate (/hr): 0 in
Rain Yesterday: 4.27 in
Storm Rain: 0 in
This Month: 6.97 in
Season Total: 32.49 in
6 rain days in July.
Tonight

Tonight: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms
Humidity & Barometer Almanac Moon
Humidity: 89 % Decreased 9.0% since last hour.
Dew Point: 81.1°F Decreased 3.2°F since last hour.
Barometer: 30.005 inHg Falling 0.01  inHg/hr
Baro Trend: Steady
Sunrise: 5:51am
Sunset: 8:23pm
Moonrise: 12:14am
Moonset: 2:16pm
Waning Crescent
Waning Crescent, Moon at 23 days in cycle
40%
Illuminated
UV Index Solar Radiation
   2.0     Low 
High: 9.2 @ 1:45pm
186 W/m2 (100 %)
High: 912 @  12:22pm
 NWS Weather Forecast  - Outlook: This Afternoon & Tonight
This
Afternoon
This Afternoon: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms

Hi 88 °F
NWS forecast: Scattered showers and thunderstorms. Mostly cloudy, with a high near 88. Southeast wind around 5 mph. Chance of precipitation is 30%.
 
Tonight

Tonight: Scattered Showers And Thunderstorms
Scattered Showers And T-Storms

Lo 75 °F
NWS forecast: Scattered showers and thunderstorms before 1am, then scattered showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 5 mph. Chance of precipitation is 30%.