Current Weather Conditions for O Fallon, IL
73°F
Conditions
Wind: 2 mph SHumidity: 97%
Probability of Precipitation: 28%
Hourly Forcast (next 12 hours)
| 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM |
| 73° | 72° | 71° | 71° | 71° | 70° | 72° | 71° | 73° | 75° | 77° | 78° | 79° |
Upcoming Week
| Day | Forecast | High | Low |
|
Overnight |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms between 2am and 5am, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 69. Southwest wind around 2 mph. Chance of precipitation is 30%. |
94°F | 78°F |
|
Saturday |
Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy fog and a slight chance of rain showers before 7am, then patchy fog and a slight chance of showers and thunderstorms between 7am and 8am, then patchy fog and a chance of showers and thunderstorms between 8am and 10am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 84. Southwest wind 1 to 7 mph. Chance of precipitation is 30%. |
94°F | 78°F |
|
Saturday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 5am. Mostly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 30%. |
94°F | 78°F |
|
Sunday |
Mostly Sunny
Mostly sunny, with a high near 93. Heat index values as high as 110. South wind 5 to 10 mph. |
94°F | 78°F |
|
Sunday Night |
Mostly Clear
Mostly clear, with a low around 75. South wind 5 to 10 mph. |
94°F | 78°F |
|
Monday |
Sunny
Sunny, with a high near 95. |
94°F | 78°F |
|
Monday Night |
Mostly Clear
Mostly clear, with a low around 76. |
94°F | 78°F |
|
Tuesday |
Sunny
Sunny, with a high near 96. |
94°F | 78°F |
|
Tuesday Night |
Clear
Clear, with a low around 76. |
94°F | 78°F |
|
Wednesday |
Sunny
Sunny, with a high near 96. |
94°F | 78°F |
|
Wednesday Night |
Mostly Clear
Mostly clear, with a low around 77. |
94°F | 78°F |
|
Thursday |
Sunny
Sunny, with a high near 96. |
94°F | 78°F |
|
Thursday Night |
Mostly Clear
Mostly clear, with a low around 77. |
94°F | 78°F |
|
Friday |
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Chance of precipitation is 40%. |
94°F | 78°F |
| Data provided by weather.gov | |||