Current Weather Conditions for O Fallon, IL
82°F
Conditions
Wind: 8 mph SHumidity: 79%
Probability of Precipitation: 44%
Hourly Forcast (next 12 hours)
| 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM |
| 82° | 79° | 76° | 76° | 75° | 74° | 74° | 74° | 74° | 74° | 72° | 73° | 74° |
Upcoming Week
| Day | Forecast | High | Low |
|
Tonight |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. |
80°F | 65°F |
|
Tuesday |
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms between 8am and 1pm. Partly sunny, with a high near 89. Heat index values as high as 103. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. |
80°F | 65°F |
|
Tuesday Night |
Mostly Clear
Mostly clear, with a low around 75. Heat index values as high as 105. Southwest wind 5 to 8 mph. |
80°F | 65°F |
|
Wednesday |
Sunny
Sunny, with a high near 93. Heat index values as high as 103. Southwest wind 7 to 14 mph, with gusts as high as 22 mph. |
80°F | 65°F |
|
Wednesday Night |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 75. South wind 9 to 15 mph. Chance of precipitation is 20%. |
80°F | 65°F |
|
Thursday |
Chance Showers And Thunderstorms
A slight chance of rain showers between 7am and 10am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%. |
80°F | 65°F |
|
Thursday Night |
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 80%. |
80°F | 65°F |
|
Friday |
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 20%. |
80°F | 65°F |
|
Friday Night |
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 20%. |
80°F | 65°F |
|
Saturday |
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 20%. |
80°F | 65°F |
|
Saturday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 40%. |
80°F | 65°F |
|
Sunday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%. |
80°F | 65°F |
|
Sunday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%. |
80°F | 65°F |
|
Monday |
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 80. Chance of precipitation is 30%. |
80°F | 65°F |
| Data provided by weather.gov | |||