OFallon, Mo

Current Weather Conditions   -   04/04/2026 06:50:00 AM

Weewx uptime: 311 days, 13 hours, 38 minutes   -   Server uptime: 311 days, 13 hours, 59 minutes
Current Conditions
Outside Temperature 57.4°F
Wind Chill 57.4°F
Heat Index 57.4°F
Dewpoint 55.4°F
Humidity 93%
Barometer 29.910 inHg
Barometer Trend (3 hours) 0.035 inHg
Wind 6 mph from 343° (NNW)
Rain Rate 0.10 in/hr
UV 0.0
ET 0.00 in
Solar Radiation 1 W/m²

 

Since Midnight
High Temperature
Low Temperature
76.1°F at 12:13:24 AM
57.4°F at 06:49:17 AM
High Heat Index
Low Wind Chill
76.1°F at 12:13:24 AM
57.4°F at 06:50:00 AM
High Humidity
Low Humidity
95% at 05:53:17 AM
64% at 02:53:20 AM
High Dewpoint
Low Dewpoint
64.9°F at 02:12:22 AM
55.4°F at 06:48:17 AM
High Barometer
Low Barometer
29.927 inHg at 06:11:18 AM
29.821 inHg at 02:10:22 AM
Today's Rain
Rate
0.47 in
0.32 in/hr at 05:51:17 AM
High Wind 24 mph from 306° at 03:02:57 AM
Average/RMS Wind 7 mph / 8 mph
Avg Speed / Direction 5 mph / 244°
High UV
Low UV
0.0 at 12:00:25 AM
0.0 at 12:00:25 AM
High ET
Low ET
0.00 in at 03:20:00 AM
0.00 in at 06:45:00 AM
High Radiation
Low Radiation
1 W/m² at 06:47:17 AM
0 W/m² at 12:00:25 AM

 

Radar

Click image for expanded radar loop

Radar
temperatures heatchill wind Hi Wind Wind Vector barometer rain Radiation UV Index
Today's Almanac
Sun
Start civil twilight: 06:15:00 AM
Sunrise: 06:42:24 AM
Transit: 01:05:38 PM
Sunset: 07:29:31 PM
End civil twilight: 07:56:59 PM
Azimuth: 83.0°
Altitude: 1.0°
Right ascension: 13.6°
Declination: 5.8°
Solstice: 06/21/2026 03:24:28 AM
Equinox: 09/22/2026 07:05:06 PM
Moon
Rise: 10:31:09 PM
Transit: 02:36:12 AM
Set: 07:37:14 AM
Azimuth: 236.6°
Altitude: 7.1°
Right ascension: 217.5°
Declination: -20.5°
New moon: 04/17/2026 06:51:41 AM
Full moon: 05/01/2026 12:23:03 PM
Phase: Waning gibbous
(94% full)
About this weather station:
Location
Latitude: 38° 45.96' N Longitude: 090° 41.37' W Altitude: 514 feet

This station uses a WeatherFlow, controlled by 'weewx', an experimental weather software system written in Python. Weewx was designed to be simple, fast, and easy to understand by leveraging modern software concepts.

RSS feed   -    Mobile formatted   -    Smartphone formatted

weewx v4.1.1