Weather tomorrow: O Fallon
Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 15 to 27 °C. Chance of precipitation tomorrow according to the daily forecast: 4%. Forecast precipitation amount: 0 mm. Wind from the northeast at 3.3 m/s.
monday 28 september
Overcast
+27°
+15°
Sunset 18:47
G/m activity 2
Precipitation probability 4%
Precipitation 0.0 mm
Wind
3.3 m/s
Pressure 997.3 hPa
Index UV 6
Humidity 43%
Sunrise 06:53
Moon Waning Gibbous
Sunrise 06:53
Sunset 18:47
G/m activity 2
Moon Waning Gibbous
00:00
19°
NE
2.8 m/s01:00
19°
E
3.1 m/s02:00
18°
E
2.8 m/s03:00
18°
E
2.5 m/s04:00
17°
E
2.5 m/s05:00
16°
E
3.3 m/s06:00
15°
E
2.8 m/s07:00
14°
E
2.5 m/s08:00
15°
E
2.2 m/s09:00
17°
E
2.8 m/s10:00
20°
E
2.8 m/s11:00
23°
E
3.1 m/s12:00
24°
E
2.8 m/s13:00
26°
NE
1.9 m/s14:00
27°
NE
1.9 m/s15:00
28°
NE
2.5 m/s16:00
28°
NE
2.5 m/s17:00
27°
NE
2.5 m/s18:00
26°
NE
2.5 m/s19:00
23°
NE
2.8 m/s20:00
22°
E
3.3 m/s21:00
21°
E
3.3 m/s22:00
20°
E
3.3 m/s23:00
19°
E
3.6 m/sWhat is the atmospheric pressure in O Fallon tomorrow?
Pressure adjusted for location elevation. Location elevation: 168 m relative to sea level
Forecast for 28.09.2026 · Local time
Pressure: 994.6–998.6 hPa.
Minimum: 994.6 hPa17:00–18:00Also at other hours
Maximum: 998.6 hPa08:00–11:00
Largest change over 3 hours: −2.7 hPa · 14:00–17:00
hPa · Change over the previous 3 hours
Colours show pressure relative to this day’s range
Lower · 994.6 Scale midpoint · 996.6 Higher · 998.6 Largest change over 3 hoursWhat is the chance of precipitation in O Fallon tomorrow?
Chance of precipitation tomorrow according to the daily forecast: 4%.
Precipitation for tomorrow
| 00:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 11% |
|---|---|---|
| 01:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 10% |
| 02:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 03:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 04:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 3% |
| 05:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 06:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 5% |
| 07:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 5% |
| 08:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 4% |
| 09:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 10:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 11:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 12:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 0% |
| 13:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 0% |
| 14:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 0% |
| 15:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 0% |
| 16:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
| 17:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 9% |
| 18:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 9% |
| 19:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 9% |
| 20:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 1% |
| 21:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 7% |
| 22:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 5% |
| 23:00 | Amount of precipitation in millimeters (mm): 0 mm | Probability of precipitation in percent (%): 2% |
O Fallon weather tomorrow: morning, afternoon and evening
Morning: clear, +15 °C. Afternoon: clear, +24 °C. Evening: overcast, +26 °C.
According to the hourly forecast, tomorrow's highest temperature is expected from 15:00 to 16:00, at around +28 °C. Times are local.
Tomorrow's strongest winds are expected at 23:00 (from the east). The lightest winds are expected from 13:00 to 14:00 (from the northeast). Times are local.
Temperature and wind for tomorrow
What geomagnetic activity is forecast for O Fallon tomorrow?
The highest forecast Kp index for tomorrow is 2.
