O'Fallon, Illinois | Local and National Hourly Weather Forecasts | WeatherBug
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  • Friday
    Forecast hour icon
    4am
    30% Chance of Light Rain
    53°
    Precip 30%
    4am Fri
    53°
    Feels like 53°
    Current forecast icon
    30% Chance of Light Rain
    • Humidity
      66%
    • Wind
      ESE 11
    • Dew Point
      42°
  • Forecast hour icon
    5am
    40% Chance of Light Rain
    53°
    Precip 40%
    5am Fri
    53°
    Feels like 53°
    Current forecast icon
    40% Chance of Light Rain
    • Humidity
      70%
    • Wind
      ESE 11
    • Dew Point
      44°
  • Forecast hour icon
    6am
    50% Chance of Light Rain
    54°
    Precip 50%
    6am Fri
    54°
    Feels like 54°
    Current forecast icon
    50% Chance of Light Rain
    • Humidity
      73%
    • Wind
      SE 12
    • Dew Point
      46°
  • 6:07a
    Forecast hour icon
    7am
    40% Chance of Light Rain
    56°
    Precip 40%
    7am Fri
    56°
    Feels like 56°
    Current forecast icon
    40% Chance of Light Rain
    • Humidity
      76%
    • Wind
      SE 13
    • Dew Point
      48°
  • Forecast hour icon
    8am
    40% Chance of Light Rain
    57°
    Precip 40%
    8am Fri
    57°
    Feels like 57°
    Current forecast icon
    40% Chance of Light Rain
    • Humidity
      74%
    • Wind
      SE 13
    • Dew Point
      49°
  • Forecast hour icon
    9am
    30% Chance of Rain
    58°
    Precip 30%
    9am Fri
    58°
    Feels like 58°
    Current forecast icon
    30% Chance of Rain
    • Humidity
      75%
    • Wind
      SE 13
    • Dew Point
      50°
  • Forecast hour icon
    10am
    30% Chance Rain Showers
    60°
    Precip 30%
    10am Fri
    60°
    Feels like 60°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      73%
    • Wind
      SE 14
    • Dew Point
      51°
  • Forecast hour icon
    11am
    30% Chance Rain Showers
    61°
    Precip 30%
    11am Fri
    61°
    Feels like 61°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      73%
    • Wind
      SE 15
    • Dew Point
      53°
  • Forecast hour icon
    12pm
    30% Chance of Rain
    64°
    Precip 30%
    12pm Fri
    64°
    Feels like 64°
    Current forecast icon
    30% Chance of Rain
    • Humidity
      71%
    • Wind
      SSE 16
    • Dew Point
      54°
  • Forecast hour icon
    1pm
    30% Chance Rain Showers
    66°
    Precip 30%
    1pm Fri
    66°
    Feels like 66°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      67%
    • Wind
      SSE 16
    • Dew Point
      55°
  • Forecast hour icon
    2pm
    30% Chance Rain Showers
    68°
    Precip 30%
    2pm Fri
    68°
    Feels like 68°
    Current forecast icon
    30% Chance Rain Showers
    • Humidity
      68%
    • Wind
      SSE 17
    • Dew Point
      57°
  • Forecast hour icon
    3pm
    30% Chance of Rain
    71°
    Precip 30%
    3pm Fri
    71°
    Feels like 71°
    Current forecast icon
    30% Chance of Rain
    • Humidity
      68%
    • Wind
      SSE 17
    • Dew Point
      60°