Current Weather Conditions for O Fallon, IL
68°F
Conditions
Wind: 5 mph SHumidity: 97%
Probability of Precipitation: 100%
Hourly Forcast (next 12 hours)
| 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM |
| 68° | 69° | 70° | 70° | 72° | 75° | 77° | 80° | 81° | 82° | 84° | 86° | 87° |
Upcoming Week
| Day | Forecast | High | Low |
|
Overnight |
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 100%. |
90°F | 72°F |
|
Saturday |
Showers And Thunderstorms
Showers and thunderstorms before 1pm. Mostly cloudy, with a high near 87. South wind around 6 mph. Chance of precipitation is 80%. |
90°F | 72°F |
|
Saturday Night |
Partly Cloudy
Partly cloudy, with a low around 73. Heat index values as high as 100. Southeast wind 0 to 3 mph. |
90°F | 72°F |
|
Sunday |
Mostly Sunny
Mostly sunny, with a high near 94. Heat index values as high as 109. South wind 0 to 3 mph. |
90°F | 72°F |
|
Sunday Night |
Partly Cloudy
Partly cloudy, with a low around 75. South wind 1 to 5 mph. |
90°F | 72°F |
|
Monday |
Sunny
Sunny, with a high near 98. |
90°F | 72°F |
|
Monday Night |
Mostly Clear
Mostly clear, with a low around 78. |
90°F | 72°F |
|
Tuesday |
Sunny
Sunny, with a high near 94. |
90°F | 72°F |
|
Tuesday Night |
Partly Cloudy
Partly cloudy, with a low around 71. |
90°F | 72°F |
|
Wednesday |
Mostly Sunny
Mostly sunny, with a high near 92. |
90°F | 72°F |
|
Wednesday Night |
Mostly Clear
Mostly clear, with a low around 71. |
90°F | 72°F |
|
Thursday |
Mostly Sunny
Mostly sunny, with a high near 91. |
90°F | 72°F |
|
Thursday Night |
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. Chance of precipitation is 20%. |
90°F | 72°F |
|
Friday |
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%. |
90°F | 72°F |
| Data provided by weather.gov | |||