| Weather / Illinois Weather Temperature |
Weather Forecast for O'Fallon (Illinois)
Forecast Overview
Tue Feb 4 
43°F 34°F 6°C 1°C Mostly cloudy skies.
detailsWed Feb 5 
45°F 34°F 7°C 1°C Chance of rain almost all day.
detailsThu Feb 6 
57°F 37°F 14°C 3°C Chance of light rain before sunrise.
detailsFri Feb 7 43°F 32°F 6°C 0°C Considerable cloudiness.
detailsSat Feb 8 37°F 32°F 3°C 0°C Chance of rain in the morning and in the afternoon.
detailsSun Feb 9 
39°F 28°F 4°C -2°C Overcast skies.
detailsMon Feb 10 43°F 28°F 6°C -2°C Considerable cloudiness.
detailsTue Feb 11 
36°F 28°F 2°C -2°C Chance of freezing rain in the afternoon and late at night.
detailsWed Feb 12 32°F 27°F -0°C -3°C Chance of heavy, freezing rain in the afternoon and in the evening.
detailsThu Feb 13 
30°F 9°F -1°C -13°C Chance of light snow at various times.
detailsFri Feb 14 18°F -0°F -8°C -18°C Considerable cloudiness.
detailsSat Feb 15 30°F 14°F -1°C -10°C Mostly cloudy skies.
detailsSun Feb 16 28°F 10°F -2°C -12°C Mostly cloudy skies.
detailsMon Feb 17 32°F 14°F 0°C -10°C Mostly cloudy skies.
details
Detailed Forecast
| Monday, February 3 | O'Fallon sunrise: 07:04 sunset: 17:22 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 18:00 21:00 |  | Clear. | 55°F (13°C) | 16 mph (25 km/h) | 75% | 0.303% |
| 21:00 00:00 | | Times of clear skies and clouds. | 43°F (6°C) | 13 mph (21 km/h) | 85% | 0.303% |
| Tuesday, February 4 | O'Fallon sunrise: 07:03 sunset: 17:23 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Times of clear skies and clouds. | 39°F (4°C) | 14 mph (22 km/h) | 82% | 0.303% |
| 03:00 06:00 | | Clear. | 35°F (2°C) | 11 mph (18 km/h) | 81% | 0.303% |
| 06:00 09:00 | | Overcast. | 35°F (2°C) | 13 mph (21 km/h) | 66% | 0.302% |
| 09:00 12:00 | | Overcast. | 41°F (5°C) | 11 mph (17 km/h) | 55% | 0.3% |
| 12:00 15:00 | | Overcast. | 43°F (6°C) | 10 mph (15 km/h) | 51% | 0.298% |
| 15:00 18:00 | | Overcast. | 38°F (4°C) | 7 mph (11 km/h) | 64% | 0.298% |
| 18:00 21:00 | | Overcast. | 36°F (2°C) | 8 mph (13 km/h) | 65% | 0.301% |
| 21:00 00:00 | | Overcast. | 36°F (2°C) | 9 mph (15 km/h) | 63% | 0.301% |
| Wednesday, February 5 | O'Fallon sunrise: 07:02 sunset: 17:25 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 35°F (1°C) | 8 mph (13 km/h) | 66% | 0.299% |
| 03:00 06:00 | | Chance of light rain. Precipitation: 0 in (0.125 mm). | 34°F (1°C) | 9 mph (14 km/h) | 70% | 0.299% |
| 06:00 09:00 | | Chance of light rain. Precipitation: 0.03 in (0.8125 mm). | 34°F (1°C) | 8 mph (13 km/h) | 82% | 0.305% |
| 09:00 12:00 | | Chance of rain. Precipitation: 0.08 in (2 mm). | 35°F (2°C) | 8 mph (13 km/h) | 91% | 0.313% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.22 in (5.625 mm). | 37°F (3°C) | 10 mph (16 km/h) | 96% | 0.334% |
| 15:00 18:00 | | Chance of scattered rain showers. Precipitation: 0.07 in (1.6875 mm). | 39°F (4°C) | 11 mph (17 km/h) | 97% | 0.33% |
| 18:00 21:00 | | Chance of scattered rain showers. Precipitation: 0.08 in (2.0625 mm). | 42°F (5°C) | 11 mph (18 km/h) | 98% | 0.335% |
| 21:00 00:00 | | Partly cloudy. Precipitation: 0.07 in (1.8125 mm). | 45°F (7°C) | 8 mph (12 km/h) | 98% | 0.332% |
| Thursday, February 6 | O'Fallon sunrise: 07:01 sunset: 17:26 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 52°F (11°C) | 8 mph (12 km/h) | 98% | 0.327% |
| 03:00 06:00 | | Chance of light rain. Precipitation: 0.01 in (0.25 mm). | 55°F (13°C) | 6 mph (10 km/h) | 97% | 0.325% |
| 06:00 09:00 | | Overcast. Precipitation: 0.02 in (0.5625 mm). | 50°F (10°C) | 6 mph (10 km/h) | 97% | 0.327% |
| 09:00 12:00 | | Overcast. | 51°F (10°C) | 10 mph (16 km/h) | 84% | 0.323% |
| 12:00 15:00 | | Sunny. | 54°F (12°C) | 11 mph (18 km/h) | 71% | 0.321% |
| 15:00 18:00 | | Clear. | 46°F (8°C) | 10 mph (16 km/h) | 78% | 0.319% |
| 18:00 21:00 | | Clear. | 41°F (5°C) | 7 mph (11 km/h) | 86% | 0.316% |
| 21:00 00:00 | | Clear. | 37°F (3°C) | 7 mph (11 km/h) | 83% | 0.317% |
| Friday, February 7 | O'Fallon sunrise: 07:00 sunset: 17:27 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Clear. | 35°F (2°C) | 6 mph (10 km/h) | 79% | 0.316% |
| 03:00 06:00 | | Clear. | 33°F (1°C) | 6 mph (9 km/h) | 71% | 0.315% |
| 06:00 09:00 | | Partly cloudy. | 38°F (3°C) | 8 mph (13 km/h) | 54% | 0.316% |
| 09:00 12:00 | | Mostly cloudy. | 40°F (4°C) | 8 mph (12 km/h) | 49% | 0.312% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.125 mm). | 39°F (4°C) | 7 mph (11 km/h) | 57% | 0.309% |
| 15:00 18:00 | | Overcast. | 37°F (3°C) | 9 mph (14 km/h) | 67% | 0.311% |
| 18:00 21:00 | | Overcast. | 36°F (2°C) | 10 mph (16 km/h) | 69% | 0.311% |
| 21:00 00:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 36°F (2°C) | 1 mph (2 km/h) | 73% | 0.312% |
| Saturday, February 8 | O'Fallon sunrise: 06:59 sunset: 17:28 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 35°F (2°C) | 9 mph (15 km/h) | 76% | 0.311% |
| 03:00 06:00 | | Overcast. Precipitation: 0.03 in (0.6875 mm). | 34°F (1°C) | 11 mph (18 km/h) | 85% | 0.316% |
| 06:00 09:00 | | Chance of rain. Precipitation: 0.07 in (1.6875 mm). | 35°F (2°C) | 11 mph (18 km/h) | 91% | 0.326% |
| 09:00 12:00 | | Overcast. Precipitation: 0.01 in (0.25 mm). | 36°F (2°C) | 10 mph (16 km/h) | 93% | 0.319% |
| 12:00 15:00 | | Chance of rain. Precipitation: 0.04 in (1 mm). | 36°F (2°C) | 9 mph (14 km/h) | 94% | 0.322% |
| 15:00 18:00 | | Overcast. Precipitation: 0.07 in (1.75 mm). | 36°F (2°C) | 10 mph (15 km/h) | 96% | 0.33% |
| 18:00 21:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 34°F (1°C) | 11 mph (18 km/h) | 92% | 0.323% |
| 21:00 00:00 | | Overcast. | 32°F (0°C) | 12 mph (19 km/h) | 89% | 0.32% |
| Sunday, February 9 | O'Fallon sunrise: 06:58 sunset: 17:29 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 30°F (-1°C) | 11 mph (18 km/h) | 90% | 0.318% |
| 03:00 06:00 | | Overcast. | 30°F (-1°C) | 13 mph (20 km/h) | 83% | 0.317% |
| 06:00 09:00 | | Overcast. | 31°F (-0°C) | 12 mph (20 km/h) | 79% | 0.317% |
| 09:00 12:00 | | Overcast. | 37°F (3°C) | 13 mph (21 km/h) | 65% | 0.316% |
| 12:00 15:00 | | Overcast. | 39°F (4°C) | 12 mph (19 km/h) | 62% | 0.312% |
| 15:00 18:00 | | Overcast. | 34°F (1°C) | 7 mph (11 km/h) | 76% | 0.311% |
| 18:00 21:00 | | Overcast. | 31°F (-1°C) | 7 mph (11 km/h) | 84% | 0.312% |
| 21:00 00:00 | | Overcast. | 30°F (-1°C) | 7 mph (11 km/h) | 85% | 0.312% |
| Monday, February 10 | O'Fallon sunrise: 06:57 sunset: 17:30 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 30°F (-1°C) | 7 mph (12 km/h) | 85% | 0.314% |
| 03:00 06:00 | | Overcast. | 29°F (-2°C) | 8 mph (12 km/h) | 84% | 0.31% |
| 06:00 09:00 | | Overcast. | 33°F (1°C) | 11 mph (18 km/h) | 68% | 0.313% |
| 09:00 12:00 | | Sunny. | 41°F (5°C) | 10 mph (16 km/h) | 49% | 0.311% |
| 12:00 15:00 | | Sunny. | 43°F (6°C) | 11 mph (17 km/h) | 46% | 0.31% |
| 15:00 18:00 | | Overcast. | 35°F (2°C) | 9 mph (14 km/h) | 68% | 0.307% |
| 18:00 21:00 | | Overcast. | 32°F (0°C) | 10 mph (15 km/h) | 74% | 0.308% |
| 21:00 00:00 | | Clear. | 30°F (-1°C) | 9 mph (15 km/h) | 79% | 0.307% |
| Tuesday, February 11 | O'Fallon sunrise: 06:56 sunset: 17:31 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 29°F (-2°C) | 9 mph (15 km/h) | 79% | 0.307% |
| 03:00 06:00 | | Overcast. | 30°F (-1°C) | 11 mph (18 km/h) | 75% | 0.307% |
| 06:00 09:00 | | Overcast. | 33°F (1°C) | 13 mph (21 km/h) | 64% | 0.307% |
| 09:00 12:00 | | Overcast. | 35°F (2°C) | 12 mph (20 km/h) | 69% | 0.307% |
| 12:00 15:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.16 in (4 mm). | 31°F (-0°C) | 9 mph (15 km/h) | 97% | 0.31% |
| 15:00 18:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.27 in (6.875 mm). | 32°F (-0°C) | 12 mph (19 km/h) | 96% | 0.314% |
| 18:00 21:00 | | Overcast. | 31°F (-1°C) | 10 mph (17 km/h) | 96% | 0.312% |
| 21:00 00:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0 in (0.125 mm). | 30°F (-1°C) | 9 mph (15 km/h) | 96% | 0.312% |
| Wednesday, February 12 | O'Fallon sunrise: 06:55 sunset: 17:33 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 29°F (-2°C) | 9 mph (14 km/h) | 95% | 0.313% |
| 03:00 06:00 | | Overcast. | 28°F (-2°C) | 8 mph (13 km/h) | 94% | 0.313% |
| 06:00 09:00 | | Overcast. | 28°F (-2°C) | 9 mph (14 km/h) | 92% | 0.313% |
| 09:00 12:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 31°F (-1°C) | 9 mph (14 km/h) | 93% | 0.317% |
| 12:00 15:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 31°F (-0°C) | 17 mph (27 km/h) | 95% | 0.322% |
| 15:00 18:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.21 in (5.375 mm). | 31°F (-1°C) | 12 mph (19 km/h) | 96% | 0.329% |
| 18:00 21:00 | | Possibly freezing rain leading to formation of glaze ice. Precipitation: 0.42 in (10.6875 mm). | 29°F (-2°C) | 17 mph (27 km/h) | 96% | 0.326% |
| 21:00 00:00 | | Overcast. Precipitation: 0.03 in (0.8125 mm). | 30°F (-1°C) | 9 mph (14 km/h) | 98% | 0.329% |
| Thursday, February 13 | O'Fallon sunrise: 06:54 sunset: 17:34 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Chance of light snow. Precipitation: 0.01 in (0.25 mm). | 27°F (-3°C) | 13 mph (21 km/h) | 95% | 0.327% |
| 03:00 06:00 | | Mostly cloudy. Precipitation: 0.01 in (0.1875 mm). | 25°F (-4°C) | 15 mph (24 km/h) | 92% | 0.328% |
| 06:00 09:00 | | Overcast. Precipitation: 0 in (0.0625 mm). | 23°F (-5°C) | 18 mph (29 km/h) | 89% | 0.327% |
| 09:00 12:00 | | Chance of light snow. Precipitation: 0 in (0.125 mm). | 25°F (-4°C) | 17 mph (28 km/h) | 86% | 0.326% |
| 12:00 15:00 | | Chance of light snow. Precipitation: 0.01 in (0.1875 mm). | 24°F (-4°C) | 17 mph (27 km/h) | 86% | 0.325% |
| 15:00 18:00 | | A few passing clouds. Precipitation: 0 in (0.0625 mm). | 19°F (-7°C) | 16 mph (25 km/h) | 84% | 0.325% |
| 18:00 21:00 | | Partly cloudy. | 14°F (-10°C) | 13 mph (21 km/h) | 88% | 0.325% |
| 21:00 00:00 | | Mostly cloudy. | 9°F (-13°C) | 10 mph (17 km/h) | 91% | 0.325% |
| Friday, February 14 | O'Fallon sunrise: 06:53 sunset: 17:35 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 6°F (-14°C) | 9 mph (14 km/h) | 92% | 0.325% |
| 03:00 06:00 | | Clear. | 3°F (-16°C) | 5 mph (7 km/h) | 94% | 0.326% |
| 06:00 09:00 | | Times of sun and clouds. | 6°F (-14°C) | 5 mph (8 km/h) | 86% | 0.327% |
| 09:00 12:00 | | Sunny. | 13°F (-11°C) | 4 mph (7 km/h) | 79% | 0.328% |
| 12:00 15:00 | | Overcast. | 17°F (-8°C) | 5 mph (9 km/h) | 79% | 0.329% |
| 15:00 18:00 | | Overcast. | 16°F (-9°C) | 6 mph (10 km/h) | 90% | 0.329% |
| 18:00 21:00 | | Overcast. | 14°F (-10°C) | 7 mph (10 km/h) | 95% | 0.331% |
| 21:00 00:00 | | Overcast. | 14°F (-10°C) | 5 mph (9 km/h) | 95% | 0.332% |
| Saturday, February 15 | O'Fallon sunrise: 06:52 sunset: 17:36 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 14°F (-10°C) | 6 mph (10 km/h) | 93% | 0.333% |
| 03:00 06:00 | | Overcast. | 15°F (-9°C) | 6 mph (10 km/h) | 94% | 0.333% |
| 06:00 09:00 | | Overcast. | 22°F (-6°C) | 7 mph (11 km/h) | 90% | 0.335% |
| 09:00 12:00 | | Overcast. | 28°F (-2°C) | 6 mph (9 km/h) | 85% | 0.337% |
| 12:00 15:00 | | Overcast. Precipitation: 0.01 in (0.1875 mm). | 29°F (-1°C) | 9 mph (14 km/h) | 91% | 0.34% |
| 15:00 18:00 | | Overcast. | 27°F (-3°C) | 8 mph (13 km/h) | 95% | 0.339% |
| 18:00 21:00 | | Overcast. | 26°F (-4°C) | 10 mph (15 km/h) | 95% | 0.34% |
| 21:00 00:00 | | Clear. Precipitation: 0 in (0.125 mm). | 22°F (-6°C) | 10 mph (17 km/h) | 93% | 0.341% |
| Sunday, February 16 | O'Fallon sunrise: 06:50 sunset: 17:37 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Mostly cloudy. | 19°F (-7°C) | 11 mph (18 km/h) | 94% | 0.342% |
| 03:00 06:00 | | Partly cloudy. | 17°F (-8°C) | 10 mph (16 km/h) | 94% | 0.343% |
| 06:00 09:00 | | Partly cloudy. | 19°F (-7°C) | 10 mph (16 km/h) | 92% | 0.344% |
| 09:00 12:00 | | Overcast. | 25°F (-4°C) | 9 mph (15 km/h) | 86% | 0.346% |
| 12:00 15:00 | | Overcast. | 28°F (-2°C) | 8 mph (12 km/h) | 83% | 0.347% |
| 15:00 18:00 | | Clear. | 17°F (-8°C) | 4 mph (6 km/h) | 94% | 0.35% |
| 18:00 21:00 | | Considerable cloudiness. | 11°F (-12°C) | 3 mph (5 km/h) | 98% | 0.349% |
| 21:00 00:00 | | Overcast. | 14°F (-10°C) | 2 mph (3 km/h) | 97% | 0.35% |
| Monday, February 17 | O'Fallon sunrise: 06:49 sunset: 17:38 |
| Time | Skies | Conditions | Temp | Wind | Humidity | Soil Moisture |
| 00:00 03:00 | | Overcast. | 18°F (-8°C) | 5 mph (9 km/h) | 95% | 0.351% |
| 03:00 06:00 | | Overcast. | 18°F (-8°C) | 6 mph (9 km/h) | 97% | 0.353% |
| 06:00 09:00 | | Mostly sunny, with a few passing clouds. | 24°F (-4°C) | 7 mph (11 km/h) | 94% | 0.356% |
| 09:00 12:00 | | A few passing clouds. | 30°F (-1°C) | 10 mph (15 km/h) | 92% | 0.361% |
| 12:00 15:00 | | Mostly cloudy. | 32°F (0°C) | 6 mph (10 km/h) | 100% | 0.389% |
| 15:00 18:00 | | Overcast. | 29°F (-2°C) | 6 mph (10 km/h) | 99% | 0.392% |
| 18:00 21:00 | | Overcast. | 25°F (-4°C) | 5 mph (8 km/h) | 98% | 0.393% |
| 21:00 00:00 | | Overcast. | 29°F (-2°C) | 6 mph (9 km/h) | 91% | 0.396% |
O'Fallon (latitude 38°35'N, longitude 089°55'W)
O'Fallon - other nearby places: Shiloh (2 miles / 3.7 km away), Fairview Heights (5 miles / 7.5 km away), Swansea (5 miles / 8 km away), Lebanon (6 miles / 8.9 km away), Belleville (6 miles / 9.1 km away), Caseyville (7 miles / 12 km away), Collinsville (8 miles / 13 km away), Summerfield (9 miles / 15 km away), Maryville (10 miles / 15 km away), Washington Park (10 miles / 16 km away), Mascoutah (10 miles / 16 km away), Fairmont City (10 miles / 16 km away), Freeburg (10 miles / 17 km away), Troy (11 miles / 17 km away), Alorton (11 miles / 17 km away).
View weather forecasts for other places in Illinois
Forecasts for Other Places:
O'Fallon
32°F ... 41°F (0°C ... 5°C)
Mostly cloudy skies.
O'Hara Township
25°F ... 48°F (-4°C ... 9°C)
Mostly cloudy skies. Estimated precipitation: 0.1875 mm.
O'Kean
43°F ... 57°F (6°C ... 14°C)
Considerable cloudiness.
O'Neill
12°F ... 23°F (-11°C ... -5°C)
Overcast skies.
Oacoma
9°F ... 19°F (-13°C ... -7°C)
Overcast skies.
Oak
19°F ... 32°F (-7°C ... 0°C)
Overcast skies.
Oak Bluffs
23°F ... 41°F (-5°C ... 5°C)
More sun than clouds.
Oak Brook
25°F ... 30°F (-4°C ... -1°C)
Considerable cloudiness.
Oak City
41°F ... 70°F (5°C ... 21°C)
Mostly sunny, with a few passing clouds.
Oak City
46°F ... 61°F (8°C ... 16°C)
Overcast skies.