Current Weather Conditions for O Fallon, IL
79°F
Conditions
Wind: 3 mph NEHumidity: 79%
Probability of Precipitation: 0%
Hourly Forcast (next 12 hours)
| 3 AM | 4 AM | 5 AM | 6 AM | 7 AM | 8 AM | 9 AM | 10 AM | 11 AM | 12 PM | 1 PM | 2 PM | 3 PM |
| 79° | 77° | 76° | 75° | 74° | 73° | 73° | 72° | 71° | 73° | 76° | 80° | 86° |
Upcoming Week
| Day | Forecast | High | Low |
|
Tonight |
Clear
Clear, with a low around 71. Northeast wind around 3 mph. |
91°F | 75°F |
|
Wednesday |
Sunny
Sunny, with a high near 91. Northeast wind 0 to 6 mph. |
91°F | 75°F |
|
Wednesday Night |
Mostly Clear
Mostly clear, with a low around 73. Southeast wind 0 to 6 mph. |
91°F | 75°F |
|
Thursday |
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Heat index values as high as 102. South wind 0 to 5 mph. Chance of precipitation is 40%. |
91°F | 75°F |
|
Thursday Night |
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Southwest wind 1 to 5 mph. Chance of precipitation is 40%. |
91°F | 75°F |
|
Friday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. Chance of precipitation is 50%. |
91°F | 75°F |
|
Friday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Chance of precipitation is 50%. |
91°F | 75°F |
|
Saturday |
Sunny
Sunny, with a high near 94. |
91°F | 75°F |
|
Saturday Night |
Mostly Clear
Mostly clear, with a low around 76. |
91°F | 75°F |
|
Sunday |
Sunny
Sunny, with a high near 94. |
91°F | 75°F |
|
Sunday Night |
Mostly Clear
Mostly clear, with a low around 75. |
91°F | 75°F |
|
Monday |
Mostly Sunny
Mostly sunny, with a high near 95. |
91°F | 75°F |
|
Monday Night |
Partly Cloudy
Partly cloudy, with a low around 75. |
91°F | 75°F |
|
Tuesday |
Mostly Sunny
Mostly sunny, with a high near 92. |
91°F | 75°F |
| Data provided by weather.gov | |||