Current Weather Conditions for O Fallon, IL
83°F
Conditions
Wind: 7 mph NEHumidity: 67%
Probability of Precipitation: 0%
Hourly Forcast (next 12 hours)
| 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM |
| 83° | 86° | 87° | 88° | 89° | 90° | 90° | 90° | 89° | 88° | 84° | 81° | 78° |
Upcoming Week
| Day | Forecast | High | Low |
|
Today |
Sunny
Sunny, with a high near 90. Northeast wind around 9 mph. |
90°F | 82°F |
|
Tonight |
Clear
Clear, with a low around 71. Northeast wind 0 to 8 mph. |
90°F | 82°F |
|
Wednesday |
Sunny
Sunny, with a high near 91. East wind 0 to 6 mph. |
90°F | 82°F |
|
Wednesday Night |
Mostly Clear
Mostly clear, with a low around 73. Heat index values as high as 100. Southeast wind 0 to 6 mph. |
90°F | 82°F |
|
Thursday |
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. South wind 0 to 5 mph. Chance of precipitation is 40%. |
90°F | 82°F |
|
Thursday Night |
Chance Showers And Thunderstorms then Mostly Clear
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. Chance of precipitation is 40%. |
90°F | 82°F |
|
Friday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 92. Chance of precipitation is 50%. |
90°F | 82°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%. |
90°F | 82°F |
|
Saturday |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Sunny, with a high near 94. Chance of precipitation is 20%. |
90°F | 82°F |
|
Saturday Night |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Chance of precipitation is 20%. |
90°F | 82°F |
|
Sunday |
Slight Chance Showers And Thunderstorms then Mostly Sunny
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 93. Chance of precipitation is 20%. |
90°F | 82°F |
|
Sunday Night |
Partly Cloudy
Partly cloudy, with a low around 73. |
90°F | 82°F |
|
Monday |
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 20%. |
90°F | 82°F |
|
Monday Night |
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 20%. |
90°F | 82°F |
| Data provided by weather.gov | |||