Current Weather Conditions for O Fallon, MO
76°F
Conditions
Wind: 2 mph SEHumidity: 90%
Probability of Precipitation: 0%
Hourly Forcast (next 12 hours)
| 1 PM | 2 PM | 3 PM | 4 PM | 5 PM | 6 PM | 7 PM | 8 PM | 9 PM | 10 PM | 11 PM | 12 AM | 1 AM |
| 76° | 80° | 84° | 87° | 89° | 91° | 92° | 94° | 94° | 93° | 92° | 89° | 87° |
Upcoming Week
| Day | Forecast | High | Low |
|
Today |
Sunny
Sunny, with a high near 95. Heat index values as high as 102. South wind 2 to 10 mph. |
94°F | 76°F |
|
Tonight |
Mostly Clear
Mostly clear, with a low around 76. Heat index values as high as 100. South wind around 9 mph. |
94°F | 76°F |
|
Saturday |
Sunny
Sunny, with a high near 95. Heat index values as high as 102. South wind 8 to 13 mph, with gusts as high as 21 mph. |
94°F | 76°F |
|
Saturday Night |
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 76. Heat index values as high as 100. South wind 6 to 10 mph. Chance of precipitation is 20%. |
94°F | 76°F |
|
Sunday |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind around 7 mph. Chance of precipitation is 20%. |
94°F | 76°F |
|
Sunday Night |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 20%. |
94°F | 76°F |
|
Monday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. |
94°F | 76°F |
|
Monday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
94°F | 76°F |
|
Tuesday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%. |
94°F | 76°F |
|
Tuesday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Chance of precipitation is 40%. |
94°F | 76°F |
|
Wednesday |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 88. Chance of precipitation is 30%. |
94°F | 76°F |
|
Wednesday Night |
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Chance of precipitation is 30%. |
94°F | 76°F |
|
Thursday |
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 90. Chance of precipitation is 20%. |
94°F | 76°F |
|
Thursday 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%. |
94°F | 76°F |
| Data provided by weather.gov | |||