O Fallon Hourly Forecast
Next 48 Hours
Rest Of Today
A chance of thunderstorms. Rain. Rain may be heavy at times early this morning. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.
Tonight
A chance of thunderstorms. A chance of rain in the evening, then rain after midnight. Near steady temperature in the upper 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
| Mon, Nov 4th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 PM Overcast  UV Index: 0.6 |
68°F Feels 68°F |
90% | 17.7 SSW | 29.91 inHg | 65.6°F | 0% |
1 PM Light Rain Shower UV Index: 0.8 |
69°F Feels 69°F |
90% | 15.9 S | 29.91 inHg | 65.2°F | 100% Rain est. 0.08in |
2 PM Overcast UV Index: 1.2 |
70°F Feels 70°F |
87% | 15.4 S | 29.89 inHg | 65.4°F | 0% |
3 PM Overcast UV Index: 0.7 |
70°F Feels 70°F |
84% | 15.9 S | 29.87 inHg | 65.1°F | 0% |
4 PM Overcast UV Index: 0.2 |
70°F Feels 70°F |
84% | 15.9 S | 29.86 inHg | 64.8°F | 0% |
5 PM Overcast  UV Index: 0 |
69°F Feels 69°F |
85% | 16.6 S | 29.85 inHg | 64.7°F | 0% |
6 PM Overcast UV Index: 0 |
69°F Feels 69°F |
86% | 13.9 S | 29.85 inHg | 64.5°F | 0% |
7 PM Cloudy  UV Index: 0 |
68°F Feels 68°F |
86% | 13 SSE | 29.84 inHg | 64.3°F | 0% |
8 PM Overcast UV Index: 0 |
68°F Feels 68°F |
85% | 17.4 SSE | 29.84 inHg | 63.2°F | 0% |
9 PM Overcast UV Index: 0 |
68°F Feels 68°F |
85% | 18.3 SSE | 29.82 inHg | 63°F | 0% |
10 PM Overcast UV Index: 0 |
68°F Feels 68°F |
85% | 21 S | 29.8 inHg | 62.8°F | 0% |
11 PM Overcast UV Index: 0 |
67°F Feels 67°F |
84% | 21.9 SSE | 29.8 inHg | 62.6°F | 0% |
Tuesday
Rain with a slight chance of thunderstorms in the morning, then a chance of rain in the afternoon. Highs in the upper 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
Tuesday Night
Partly cloudy with a slight chance of rain in the evening, then mostly clear after midnight. Much cooler with lows in the mid 40s. West winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 20 percent.
| Tue, Nov 5th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Overcast UV Index: 0 |
67°F Feels 67°F |
85% | 22.6 SSE | 29.79 inHg | 62°F | 0% |
1 AM Overcast UV Index: 0 |
67°F Feels 67°F |
86% | 23.9 S | 29.77 inHg | 62.3°F | 0% |
2 AM Overcast UV Index: 0 |
67°F Feels 67°F |
86% | 23.5 S | 29.78 inHg | 62.6°F | 0% |
3 AM Overcast UV Index: 0 |
67°F Feels 67°F |
85% | 23.7 S | 29.78 inHg | 62.7°F | 0% |
4 AM Overcast UV Index: 0 |
67°F Feels 67°F |
85% | 23.5 S | 29.77 inHg | 62.3°F | 0% |
5 AM Overcast UV Index: 0 |
66°F Feels 66°F |
86% | 24.4 S | 29.77 inHg | 61.9°F | 0% |
6 AM Overcast UV Index: 0 |
66°F Feels 66°F |
86% | 24.4 S | 29.76 inHg | 61.6°F | 0% |
7 AM Overcast UV Index: 0 |
66°F Feels 66°F |
86% | 22.8 S | 29.76 inHg | 61.5°F | 0% |
8 AM Overcast UV Index: 0 |
65°F Feels 65°F |
87% | 23.3 S | 29.77 inHg | 61.2°F | 0% |
9 AM Overcast UV Index: 0.1 |
64°F Feels 64°F |
89% | 17.7 SSW | 29.78 inHg | 61.2°F | 0% |
10 AM Light Rain UV Index: 0.6 |
64°F Feels 64°F |
94% | 15 S | 29.8 inHg | 61.8°F | 100% Rain est. 0.04in |
11 AM Overcast UV Index: 1.9 |
66°F Feels 66°F |
97% | 15.7 S | 29.83 inHg | 62.8°F | 0% |
12 PM Overcast UV Index: 2.1 |
66°F Feels 66°F |
87% | 17.9 SSW | 29.79 inHg | 64.1°F | 0% |
1 PM Moderate Rain UV Index: 1.8 |
65°F Feels 65°F |
90% | 14.5 SSE | 29.78 inHg | 63°F | 100% Rain est. 0.13in |
2 PM Moderate RainUV Index: 1.4 |
65°F Feels 65°F |
88% | 15.9 SSW | 29.79 inHg | 61.3°F | 100% Rain est. 0.06in |
3 PM Moderate RainUV Index: 0.7 |
64°F Feels 64°F |
88% | 14.5 SSW | 29.8 inHg | 60.4°F | 100% Rain est. 0.03in |
4 PM Overcast UV Index: 0.3 |
63°F Feels 63°F |
87% | 14.5 SW | 29.8 inHg | 59.5°F | 0% |
5 PM Overcast UV Index: 0 |
62°F Feels 62°F |
90% | 13.4 SW | 29.83 inHg | 59.3°F | 0% |
6 PM Overcast UV Index: 0 |
62°F Feels 62°F |
92% | 11 SW | 29.84 inHg | 59.2°F | 0% |
7 PM Partly Cloudy  UV Index: 0 |
61°F Feels 61°F |
93% | 7.8 WSW | 29.86 inHg | 59.1°F | 0% |
8 PM Partly Cloudy UV Index: 0 |
59°F Feels 59°F |
95% | 6.9 WSW | 29.88 inHg | 57.9°F | 0% |
9 PM Partly Cloudy UV Index: 0 |
58°F Feels 58°F |
97% | 6.9 W | 29.89 inHg | 57.2°F | 0% |
10 PM Fog UV Index: 0 |
57°F Feels 57°F |
98% | 5.6 W | 29.9 inHg | 56.6°F | 0% |
11 PM Clear  UV Index: 0 |
57°F Feels 56°F |
85% | 5.4 WNW | 29.91 inHg | 51.4°F | 0% |
Wednesday
Sunny. Highs in the lower 60s. Northeast winds around 5 mph.
Wednesday Night And Thursday
Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
| Wed, Nov 6th | Temp | Humidity | Wind (mph) | Pressure | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM FogUV Index: 0 |
56°F Feels 55°F |
89% | 5.1 NW | 29.92 inHg | 53.2°F | 0% |
1 AM Cloudy UV Index: 0 |
55°F Feels 53°F |
86% | 6 NNW | 29.93 inHg | 52.1°F | 0% |
2 AM Cloudy UV Index: 0 |
54°F Feels 52°F |
83% | 6.3 N | 29.95 inHg | 49.2°F | 0% |
3 AM Cloudy UV Index: 0 |
53°F Feels 50°F |
82% | 6 N | 29.96 inHg | 47.8°F | 0% |
4 AM Overcast UV Index: 0 |
52°F Feels 49°F |
81% | 6 N | 29.97 inHg | 46.4°F | 0% |
5 AM Overcast UV Index: 0 |
51°F Feels 48°F |
82% | 5.8 NNE | 29.99 inHg | 46°F | 0% |
6 AM Overcast UV Index: 0 |
51°F Feels 48°F |
83% | 5.8 NE | 30.01 inHg | 45.7°F | 0% |
7 AM Overcast UV Index: 0 |
51°F Feels 47°F |
84% | 6 NE | 30.02 inHg | 45.5°F | 0% |
8 AM Overcast UV Index: 0.4 |
50°F Feels 47°F |
82% | 6 NE | 30.04 inHg | 44.9°F | 0% |
9 AM Overcast UV Index: 1.1 |
50°F Feels 47°F |
81% | 7.2 NE | 30.05 inHg | 44.7°F | 0% |
10 AM Overcast UV Index: 2.1 |
52°F Feels 49°F |
80% | 8.1 ENE | 30.06 inHg | 44.4°F | 0% |
11 AM Overcast UV Index: 3 |
53°F Feels 52°F |
75% | 7.8 ENE | 30.05 inHg | 45.4°F | 0% |
Currently
 |
65°F |
29.91in
Barometer 93%
Humidity Southeast 12.7mph Wind |
| Light Rain Fog/Mist | ||
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