⚠️ Active Weather Alerts
- Heat Advisory: Heat Advisory issued July 18 at 3:04AM CDT until July 21 at 7:00PM CDT by NWS St Louis MO
📍 O Fallon, MO
☀️
75°
Feels like 77° · Clear
💧
Humidity
89%
🌬
Wind
17 mph WSW
🌡
Dewpoint
72°
👁
Visibility
10 mi
Hourly Forecast
7-Day Forecast
🗓 Today
⛈
💧16%
92°
Sunday
⛈
💧39%
90°
Monday
☀️
💧6%
94°
Tuesday
☀️
💧9%
94°
Wednesday
☀️
💧1%
85°
Thursday
⛅
💧8%
82°
Friday
🌧
💧24%
84°
Air Quality
EPA AirNow0
Unknown
Air Quality Index
Primary
--
PM2.5
—
Ozone
—
Fire Risk
USFS / NWS🔥
Low
Fire Weather Index: 7
🌬
Wind Speed
3 mph
💧
Humidity
72%
Sun & UV
🌅
10:52 AM
Sunrise
9
Very High
UV Index
🌇
1:25 AM
Sunset
Moon Phase
🌒
Waxing Crescent
13% Illumination
Moonrise @ 8:50 PM