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warningActive Advisory: Heat Advisory  (See More)
Elev 597 ft, 38.79 °N, 90.7 °W

O'Fallon, MO Weather Conditionsstar_ratehome

icon88 °F O'Fallon Station|Report|Change
Current Station
Personal Weather Station
O'Fallon (KMOOFALL280)
Location: O'Fallon, MO
Elevation: 597ft
Nearby Weather Stations

access_time 11:00 AM CDT on September 18, 2026 (GMT -5) | Updated 4 seconds ago

97° | 72°
88 °F
like 101°
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Sunny

N
2

Gusts 2 °mph

Today's temperature is forecast to be NEARLY THE SAME as yesterday.

WunderMap|Nexrad
Additional Conditions
Pressure
30.12 °in
Visibility
10 °miles
Clouds
Clear
Dew Point
74 °F
Humidity
65 °%
Rainfall
0 °in
Snow Depth
0 °in
Astronomy
Sun
Rise
Set
Actual Time
6:48 AM
7:08 PM
Civil Twilight
6:21 AM
7:35 PM
Nautical Twilight
5:50 AM
8:06 PM
Astronomical Twilight
5:18 AM
8:38 PM
Length of Visible Light
13 h 13 m
Length of Day
12 h 20 m
Tomorrow will be 2 minutes 29 seconds shorter
Moon
2:33 PM
11:28 PM
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waxing gibbous
51% of the Moon is Illuminated
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Sep 26
Full Moon
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Oct 3
Waning Half Last Qtr
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Oct 10
New Moon
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Oct 18
Waxing Half First Qtr