Current Weather Conditions for O Fallon, IL
75°F
Conditions
Wind: 1 mph WHumidity: 97%
Probability of Precipitation: 10%
Hourly Forcast (next 12 hours)
| 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM |
| 75° | 74° | 74° | 74° | 76° | 79° | 82° | 85° | 88° | 89° | 90° | 90° | 91° |
Upcoming Week
| Day | Forecast | High | Low |
|
Overnight |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 74. West wind around 1 mph. Chance of precipitation is 20%. |
84°F | 65°F |
|
Friday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Heat index values as high as 101. West wind 1 to 7 mph. Chance of precipitation is 30%. |
84°F | 65°F |
|
Friday Night |
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 75. Heat index values as high as 101. Southwest wind 2 to 7 mph. Chance of precipitation is 20%. |
84°F | 65°F |
|
Saturday |
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 93. Heat index values as high as 103. West wind 5 to 10 mph. Chance of precipitation is 20%. |
84°F | 65°F |
|
Saturday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly cloudy, with a low around 75. Northwest wind 2 to 9 mph. Chance of precipitation is 30%. |
84°F | 65°F |
|
Sunday |
Slight Chance Rain Showers then 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 91. Chance of precipitation is 20%. |
84°F | 65°F |
|
Sunday Night |
Slight Chance Showers And Thunderstorms then Mostly Clear
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 72. Chance of precipitation is 20%. |
84°F | 65°F |
|
Monday |
Mostly Sunny
Mostly sunny, with a high near 95. |
84°F | 65°F |
|
Monday Night |
Partly Cloudy
Partly cloudy, with a low around 76. |
84°F | 65°F |
|
Tuesday |
Mostly Sunny
Mostly sunny, with a high near 94. |
84°F | 65°F |
|
Tuesday Night |
Partly Cloudy
Partly cloudy, with a low around 70. |
84°F | 65°F |
|
Wednesday |
Mostly Sunny
Mostly sunny, with a high near 85. |
84°F | 65°F |
|
Wednesday Night |
Partly Cloudy
Partly cloudy, with a low around 65. |
84°F | 65°F |
|
Thursday |
Mostly Sunny
Mostly sunny, with a high near 85. |
84°F | 65°F |
| Data provided by weather.gov | |||