Current Weather Conditions for O Fallon, IL
78°F
Conditions
Wind: 10 mph SWHumidity: 79%
Probability of Precipitation: 39%
Hourly Forcast (next 12 hours)
| 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM | 2 AM | 3 AM | 4 AM | 5 AM | 6 AM | 7 AM |
| 78° | 76° | 74° | 71° | 70° | 70° | 66° | 65° | 64° | 62° | 62° | 61° | 61° |
Upcoming Week
| Day | Forecast | High | Low |
|
This Afternoon |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 71 in the afternoon. West wind around 10 mph. Chance of precipitation is 50%. |
80°F | 70°F |
|
Tonight |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Northwest wind around 10 mph. Chance of precipitation is 40%. |
80°F | 70°F |
|
Wednesday |
Slight Chance Showers And Thunderstorms then Mostly Cloudy
A slight chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 69. North wind around 10 mph. Chance of precipitation is 20%. |
80°F | 70°F |
|
Wednesday Night |
Mostly Cloudy
Mostly cloudy, with a low around 52. Northeast wind 6 to 9 mph. |
80°F | 70°F |
|
Thursday |
Mostly Cloudy
Mostly cloudy, with a high near 71. Northeast wind 7 to 10 mph. |
80°F | 70°F |
|
Thursday Night |
Rain Showers Likely
Rain showers likely between 7pm and 4am, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. |
80°F | 70°F |
|
Friday |
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 73. Chance of precipitation is 80%. |
80°F | 70°F |
|
Friday Night |
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%. |
80°F | 70°F |
|
Saturday |
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Chance of precipitation is 20%. |
80°F | 70°F |
|
Saturday Night |
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%. |
80°F | 70°F |
|
Sunday |
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation is 40%. |
80°F | 70°F |
|
Sunday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. |
80°F | 70°F |
|
Memorial Day |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Chance of precipitation is 40%. |
80°F | 70°F |
|
Monday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. |
80°F | 70°F |
| Data provided by weather.gov | |||