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O Fallon, MO Weather Forecast | 5 Day

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12-6

Fri 12-6

Sunny

    • HI: 41°F
    • LO: 20°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      8.1 mph
    • Humidity
      54% avg.
    • UV Index
      0.4
    • Air Quality
      Good
    • Sunrise
      07:08 AM
    • Sunset
      04:41 PM
    • Moonrise
      11:37 AM
    • Moonset
      10:05 PM
    • Moon Phase
      Waxing Crescent
  • Hourly
4 PM Sunny at 4 PM on
Sunny
40°F

water_drop0%
rain chc.

air 7.4 mph SW
wind

30.37 inHg
pressure
5 PM Clear at 5 PM on
Clear
39°F

water_drop0%
rain chc.

air 5.4 mph SW
wind

30.36 inHg
pressure
6 PM Clear at 6 PM on
Clear
38°F

water_drop0%
rain chc.

air 5.8 mph SW
wind

30.36 inHg
pressure
7 PM Clear at 7 PM on
Clear
35°F

water_drop0%
rain chc.

air 6.7 mph SW
wind

30.36 inHg
pressure
8 PM Clear at 8 PM on
Clear
33°F

water_drop0%
rain chc.

air 6.7 mph SW
wind

30.35 inHg
pressure
9 PM Clear at 9 PM on
Clear
33°F

water_drop0%
rain chc.

air 6.7 mph SW
wind

30.34 inHg
pressure
10 PM Clear at 10 PM on
Clear
32°F

water_drop0%
rain chc.

air 6.9 mph SW
wind

30.33 inHg
pressure
11 PM Clear at 11 PM on
Clear
32°F

water_drop0%
rain chc.

air 6.5 mph SW
wind

30.33 inHg
pressure
12-7

Sat 12-7

Sunny

    • HI: 53°F
    • LO: 29°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      15.2 mph
    • Humidity
      59% avg.
    • UV Index
      0.4
    • Air Quality
      Good
    • Sunrise
      07:09 AM
    • Sunset
      04:41 PM
    • Moonrise
      12:05 PM
    • Moonset
      11:16 PM
    • Moon Phase
      Waxing Crescent
  • Hourly
12 AM Clear at 12 AM on
Clear
32°F

water_drop0%
rain chc.

air 7.2 mph SW
wind

30.32 inHg
pressure
1 AM Clear at 1 AM on
Clear
31°F

water_drop0%
rain chc.

air 7.2 mph SW
wind

30.32 inHg
pressure
2 AM Clear at 2 AM on
Clear
31°F

water_drop0%
rain chc.

air 6.9 mph SW
wind

30.32 inHg
pressure
3 AM Clear at 3 AM on
Clear
30°F

water_drop0%
rain chc.

air 6.9 mph SW
wind

30.32 inHg
pressure
4 AM Clear at 4 AM on
Clear
30°F

water_drop0%
rain chc.

air 7.2 mph SW
wind

30.3 inHg
pressure
5 AM Clear at 5 AM on
Clear
29°F

water_drop0%
rain chc.

air 6.7 mph SW
wind

30.3 inHg
pressure
6 AM Clear at 6 AM on
Clear
29°F

water_drop0%
rain chc.

air 6.9 mph SW
wind

30.29 inHg
pressure
7 AM Clear at 7 AM on
Clear
29°F

water_drop0%
rain chc.

air 9.2 mph SSW
wind

30.29 inHg
pressure
8 AM Sunny at 8 AM on
Sunny
30°F

water_drop0%
rain chc.

air 7.4 mph SW
wind

30.29 inHg
pressure
9 AM Sunny at 9 AM on
Sunny
33°F

water_drop0%
rain chc.

air 8.9 mph SSW
wind

30.27 inHg
pressure
10 AM Sunny at 10 AM on
Sunny
38°F

water_drop0%
rain chc.

air 10.5 mph SW
wind

30.27 inHg
pressure
11 AM Sunny at 11 AM on
Sunny
43°F

water_drop0%
rain chc.

air 11.6 mph SW
wind

30.24 inHg
pressure
12 PM Sunny at 12 PM on
Sunny
47°F

water_drop0%
rain chc.

air 13.2 mph SW
wind

30.21 inHg
pressure
1 PM Sunny at 1 PM on
Sunny
49°F

water_drop0%
rain chc.

air 13.6 mph WSW
wind

30.17 inHg
pressure
2 PM Sunny at 2 PM on
Sunny
51°F

water_drop0%
rain chc.

air 14.1 mph SW
wind

30.13 inHg
pressure
3 PM Sunny at 3 PM on
Sunny
52°F

water_drop0%
rain chc.

air 13.9 mph SW
wind

30.11 inHg
pressure
4 PM Sunny at 4 PM on
Sunny
51°F

water_drop0%
rain chc.

air 14.1 mph SW
wind

30.09 inHg
pressure
5 PM Clear at 5 PM on
Clear
50°F

water_drop0%
rain chc.

air 13.2 mph SW
wind

30.08 inHg
pressure
6 PM Clear at 6 PM on
Clear
49°F

water_drop0%
rain chc.

air 11.4 mph SW
wind

30.07 inHg
pressure
7 PM Clear at 7 PM on
Clear
47°F

water_drop0%
rain chc.

air 11 mph SW
wind

30.07 inHg
pressure
8 PM Clear at 8 PM on
Clear
45°F

water_drop0%
rain chc.

air 11.6 mph SW
wind

30.06 inHg
pressure
9 PM Clear at 9 PM on
Clear
43°F

water_drop0%
rain chc.

air 13.2 mph SW
wind

30.06 inHg
pressure
10 PM Clear at 10 PM on
Clear
44°F

water_drop0%
rain chc.

air 14.8 mph SW
wind

30.06 inHg
pressure
11 PM Clear at 11 PM on
Clear
42°F

water_drop0%
rain chc.

air 15.2 mph SW
wind

29.98 inHg
pressure
12-8

Sun 12-8

Partly Cloudy

    • HI: 53°F
    • LO: 37°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      15 mph
    • Humidity
      85% avg.
    • UV Index
      0.3
    • Air Quality
      Good
    • Sunrise
      07:09 AM
    • Sunset
      04:41 PM
    • Moonrise
      12:31 PM
    • Moonset
      No moonset
    • Moon Phase
      First Quarter
  • Hourly
12 AM Clear at 12 AM on
Clear
41°F

water_drop0%
rain chc.

air 15 mph SW
wind

30.05 inHg
pressure
1 AM Clear at 1 AM on
Clear
40°F

water_drop0%
rain chc.

air 14.8 mph SW
wind

30.05 inHg
pressure
2 AM Clear at 2 AM on
Clear
39°F

water_drop0%
rain chc.

air 14.1 mph SW
wind

30.05 inHg
pressure
3 AM Clear at 3 AM on
Clear
39°F

water_drop0%
rain chc.

air 13.4 mph SW
wind

30.05 inHg
pressure
4 AM Clear at 4 AM on
Clear
38°F

water_drop0%
rain chc.

air 13 mph SW
wind

30.05 inHg
pressure
5 AM Clear at 5 AM on
Clear
37°F

water_drop0%
rain chc.

air 12.5 mph SW
wind

30.04 inHg
pressure
6 AM Clear at 6 AM on
Clear
37°F

water_drop0%
rain chc.

air 13.2 mph SW
wind

30.04 inHg
pressure
7 AM Clear at 7 AM on
Clear
38°F

water_drop0%
rain chc.

air 11.2 mph SW
wind

30.04 inHg
pressure
8 AM Sunny at 8 AM on
Sunny
40°F

water_drop0%
rain chc.

air 10.5 mph SW
wind

30.03 inHg
pressure
9 AM Sunny at 9 AM on
Sunny
41°F

water_drop0%
rain chc.

air 11.4 mph SW
wind

30.03 inHg
pressure
10 AM Sunny at 10 AM on
Sunny
44°F

water_drop0%
rain chc.

air 12.1 mph SW
wind

30.03 inHg
pressure
11 AM Cloudy at 11 AM on
Cloudy
46°F

water_drop0%
rain chc.

air 10.5 mph SW
wind

30 inHg
pressure
12 PM Cloudy at 12 PM on
Cloudy
49°F

water_drop0%
rain chc.

air 10.3 mph SW
wind

29.98 inHg
pressure
1 PM Overcast at 1 PM on
Overcast
50°F

water_drop0%
rain chc.

air 11.2 mph SW
wind

29.97 inHg
pressure
2 PM Overcast at 2 PM on
Overcast
51°F

water_drop0%
rain chc.

air 8.7 mph SW
wind

29.93 inHg
pressure
3 PM Overcast at 3 PM on
Overcast
52°F

water_drop0%
rain chc.

air 9.8 mph SW
wind

29.9 inHg
pressure
4 PM Overcast at 4 PM on
Overcast
52°F

water_drop0%
rain chc.

air 8.5 mph SSW
wind

29.88 inHg
pressure
5 PM Overcast at 5 PM on
Overcast
51°F

water_drop0%
rain chc.

air 7.2 mph SSW
wind

29.87 inHg
pressure
6 PM Overcast at 6 PM on
Overcast
50°F

water_drop0%
rain chc.

air 6.5 mph S
wind

29.86 inHg
pressure
7 PM Overcast at 7 PM on
Overcast
50°F

water_drop0%
rain chc.

air 10.1 mph SSW
wind

29.85 inHg
pressure
8 PM Overcast at 8 PM on
Overcast
49°F

water_drop0%
rain chc.

air 11.4 mph SSW
wind

29.83 inHg
pressure
9 PM Overcast at 9 PM on
Overcast
48°F

water_drop0%
rain chc.

air 11.2 mph SSW
wind

29.81 inHg
pressure
10 PM Overcast at 10 PM on
Overcast
44°F

water_drop0%
rain chc.

air 10.5 mph SSW
wind

29.8 inHg
pressure
11 PM Clear at 11 PM on
Clear
46°F

water_drop0%
rain chc.

air 9.8 mph SSW
wind

30.05 inHg
pressure
12-9

Mon 12-9

Overcast

    • HI: 58°F
    • LO: 47°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      10.1 mph
    • Humidity
      83% avg.
    • UV Index
      0.2
    • Air Quality
      Good
    • Sunrise
      07:10 AM
    • Sunset
      04:41 PM
    • Moonrise
      12:55 PM
    • Moonset
      12:26 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Overcast at 12 AM on
Overcast
46°F

water_drop0%
rain chc.

air 10.1 mph SW
wind

29.77 inHg
pressure
1 AM Overcast at 1 AM on
Overcast
47°F

water_drop0%
rain chc.

air 9.6 mph SW
wind

29.76 inHg
pressure
2 AM Overcast at 2 AM on
Overcast
47°F

water_drop0%
rain chc.

air 8.9 mph SSW
wind

29.76 inHg
pressure
3 AM Overcast at 3 AM on
Overcast
47°F

water_drop0%
rain chc.

air 8.1 mph SSW
wind

29.75 inHg
pressure
4 AM Overcast at 4 AM on
Overcast
47°F

water_drop0%
rain chc.

air 8.5 mph SSW
wind

29.75 inHg
pressure
5 AM Overcast at 5 AM on
Overcast
47°F

water_drop0%
rain chc.

air 8.3 mph SSW
wind

29.77 inHg
pressure
6 AM Overcast at 6 AM on
Overcast
47°F

water_drop0%
rain chc.

air 7.8 mph SW
wind

29.77 inHg
pressure
7 AM Overcast at 7 AM on
Overcast
47°F

water_drop0%
rain chc.

air 8.1 mph SW
wind

29.78 inHg
pressure
8 AM Overcast at 8 AM on
Overcast
47°F

water_drop0%
rain chc.

air 7.2 mph SW
wind

29.81 inHg
pressure
9 AM Overcast at 9 AM on
Overcast
47°F

water_drop0%
rain chc.

air 6.7 mph SW
wind

29.83 inHg
pressure
10 AM Overcast at 10 AM on
Overcast
48°F

water_drop0%
rain chc.

air 6.9 mph WSW
wind

29.84 inHg
pressure
11 AM Overcast at 11 AM on
Overcast
49°F

water_drop0%
rain chc.

air 7.4 mph WSW
wind

29.84 inHg
pressure
12 PM Overcast at 12 PM on
Overcast
50°F

water_drop0%
rain chc.

air 6.7 mph WNW
wind

29.84 inHg
pressure
1 PM Overcast at 1 PM on
Overcast
54°F

water_drop0%
rain chc.

air 4.9 mph NW
wind

29.84 inHg
pressure
2 PM Sunny at 2 PM on
Sunny
56°F

water_drop0%
rain chc.

air 3.1 mph W
wind

29.88 inHg
pressure
3 PM Partly Cloudy at 3 PM on
Partly Cloudy
57°F

water_drop0%
rain chc.

air 3.4 mph NW
wind

29.87 inHg
pressure
4 PM Partly Cloudy at 4 PM on
Partly Cloudy
55°F

water_drop0%
rain chc.

air 3.8 mph N
wind

29.88 inHg
pressure
5 PM Partly Cloudy at 5 PM on
Partly Cloudy
53°F

water_drop0%
rain chc.

air 5.4 mph NNE
wind

29.9 inHg
pressure
6 PM Clear at 6 PM on
Clear
51°F

water_drop0%
rain chc.

air 6.3 mph N
wind

29.91 inHg
pressure
7 PM Partly Cloudy at 7 PM on
Partly Cloudy
49°F

water_drop0%
rain chc.

air 6 mph NNE
wind

29.93 inHg
pressure
8 PM Partly Cloudy at 8 PM on
Partly Cloudy
48°F

water_drop0%
rain chc.

air 5.8 mph N
wind

29.95 inHg
pressure
9 PM Partly Cloudy at 9 PM on
Partly Cloudy
47°F

water_drop0%
rain chc.

air 5.8 mph N
wind

29.96 inHg
pressure
10 PM Cloudy at 10 PM on
Cloudy
47°F

water_drop0%
rain chc.

air 6.3 mph N
wind

29.97 inHg
pressure
11 PM Overcast at 11 PM on
Overcast
47°F

water_drop0%
rain chc.

air 6.3 mph N
wind

29.78 inHg
pressure
12-10

Tue 12-10

Patchy Rain Nearby

    • HI: 42°F
    • LO: 32°F
    • Rain: 86%
      Est. 0.02in
    • Snow: 6%
      Est. 0.2cm
    • Wind
      14.3 mph
    • Humidity
      65% avg.
    • UV Index
      0
    • Air Quality
      Good
    • Sunrise
      07:11 AM
    • Sunset
      04:41 PM
    • Moonrise
      01:21 PM
    • Moonset
      01:38 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Cloudy at 12 AM on
Cloudy
46°F

water_drop0%
rain chc.

air 6.5 mph NNE
wind

29.98 inHg
pressure
1 AM Overcast at 1 AM on
Overcast
46°F

water_drop0%
rain chc.

air 6.9 mph N
wind

29.99 inHg
pressure
2 AM Cloudy at 2 AM on
Cloudy
45°F

water_drop0%
rain chc.

air 8.3 mph N
wind

29.98 inHg
pressure
3 AM Overcast at 3 AM on
Overcast
44°F

water_drop0%
rain chc.

air 9.2 mph N
wind

29.99 inHg
pressure
4 AM Cloudy at 4 AM on
Cloudy
44°F

water_drop0%
rain chc.

air 9.2 mph N
wind

29.99 inHg
pressure
5 AM Overcast at 5 AM on
Overcast
43°F

water_drop0%
rain chc.

air 9.8 mph N
wind

30 inHg
pressure
6 AM Overcast at 6 AM on
Overcast
41°F

water_drop0%
rain chc.

air 11 mph N
wind

30.01 inHg
pressure
7 AM Patchy rain nearby at 7 AM on
Patchy Rain Nearby
40°F

water_drop86%
rain chc.

air 11.2 mph N
wind

30.02 inHg
pressure
8 AM Patchy rain nearby at 8 AM on
Patchy Rain Nearby
39°F

water_drop65%
rain chc.

air 11 mph N
wind

30.04 inHg
pressure
9 AM Patchy rain nearby at 9 AM on
Patchy Rain Nearby
38°F

water_drop79%
rain chc.

air 10.7 mph N
wind

30.05 inHg
pressure
10 AM Patchy rain nearby at 10 AM on
Patchy Rain Nearby
38°F

water_drop66%
rain chc.

air 10.7 mph N
wind

30.06 inHg
pressure
11 AM Patchy rain nearby at 11 AM on
Patchy Rain Nearby
37°F

water_drop74%
rain chc.

air 10.7 mph N
wind

30.07 inHg
pressure
12 PM Patchy rain nearby at 12 PM on
Patchy Rain Nearby
36°F

water_drop100%
rain chc.

air 11.4 mph N
wind

30.07 inHg
pressure
1 PM Light snow at 1 PM on
Light Snow
37°F

water_drop60%
rain chc.

air 9.8 mph N
wind

30.05 inHg
pressure
2 PM Light snow at 2 PM on
Light Snow
37°F

water_drop52%
rain chc.

air 9.4 mph N
wind

30.02 inHg
pressure
3 PM Patchy moderate snow at 3 PM on
Patchy Moderate Snow
38°F

water_drop100%
rain chc.

air 10.1 mph NNW
wind

30.01 inHg
pressure
4 PM Cloudy at 4 PM on
Cloudy
38°F

water_drop0%
rain chc.

air 8.9 mph NNW
wind

30 inHg
pressure
5 PM Cloudy at 5 PM on
Cloudy
37°F

water_drop0%
rain chc.

air 11.2 mph NNW
wind

30.01 inHg
pressure
6 PM Cloudy at 6 PM on
Cloudy
35°F

water_drop0%
rain chc.

air 12.3 mph NNW
wind

30.02 inHg
pressure
7 PM Light snow at 7 PM on
Light Snow
34°F

water_drop0%
rain chc.

air 14.3 mph NNW
wind

30.05 inHg
pressure
8 PM Moderate snow at 8 PM on
Moderate Snow
34°F

water_drop100%
rain chc.

air 10.3 mph NNW
wind

30.07 inHg
pressure
9 PM Partly Cloudy at 9 PM on
Partly Cloudy
34°F

water_drop0%
rain chc.

air 11.2 mph NNW
wind

30.06 inHg
pressure
10 PM Partly Cloudy at 10 PM on
Partly Cloudy
33°F

water_drop0%
rain chc.

air 11.9 mph NNW
wind

30.06 inHg
pressure
11 PM Partly Cloudy at 11 PM on
Partly Cloudy
33°F

water_drop0%
rain chc.

air 11.2 mph NNW
wind

30.05 inHg
pressure

Currently

Sunny 38°F
30.34 inHg.
Barometer
31%
Humidity
SW 13 mph
Wind
Sunny
Full Report

5 Day Forecast Nearby

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More Local Information

O Fallon Weather Tomorrow
O Fallon 5-Day Forecast
O Fallon Hourly Forecast
O Fallon Weather Alerts
O Fallon Radar Maps
O Fallon, MO Traffic
O Fallon, MO Past Weather
O Fallon, MO Daily Charts

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