St. Louis Regional Airport Alton, IL - Extended Weather Forecast

10:00 Monday Artboard
Moderate rain Moderate rain 19° Feels like 19° Rainfall 30% 3.7 mm
reloj Hourly Light rain in the next few hours
  • Monday 6 May Thunderstorm 70% 6.2 mm 28° / 18° Calm 15 - 47 km/h
  • Tuesday 7 May Light rain 50% 0.3 mm 27° / 18° Calm 10 - 30 km/h
  • Wednesday 8 May Scattered clouds 30° / 19° Calm 20 - 48 km/h
  • Thursday 9 May Partly cloudy 27° / 17° Calm 19 - 48 km/h
  • Friday 10 May Scattered clouds 21° / 12° Calm 24 - 54 km/h
  • Saturday 11 May Scattered clouds 22° / 13° Calm 24 - 71 km/h
  • Sunday 12 May Scattered clouds 20° / 10° Calm 20 - 46 km/h
Monday, 6 May Tuesday, 7 May
01:00 Partly cloudy 20° Partly cloudy
Feels Like 20°
Calm South 14 - 44 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point 18 °C
  • Clouds Clouds 94%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 44 km/h
  • Snowline Snowline 3600 m
04:00 Partly cloudy 19° Partly cloudy
Feels Like 19°
Calm South 15 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 89%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 76%
  • Feels Like Feels Like 19 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 3700 m
07:00 Partly cloudy 19° Partly cloudy
Feels Like 19°
Calm South 15 - 29 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 87%
  • Dew Point Dew Point 17 °C
  • Clouds Clouds 59%
  • Feels Like Feels Like 19 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 29 km/h
  • Snowline Snowline 3800 m
10:00 Thunderstorm 30% 1.4 mm 22° Thunderstorm
Feels Like 22°
Calm South 15 - 31 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 30% 1.4 mm
  • Humidity Humidity 81%
  • Dew Point Dew Point 18 °C
  • Clouds Clouds 63%
  • Feels Like Feels Like 22 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 15 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Snowline Snowline 3900 m
13:00 Thunderstorm 40% 2.6 mm 24° Thunderstorm
Feels Like 24°
Calm Southwest 14 - 36 km/h
UV Index 6 High SPF: 15-25
  • Rain Rain 40% 2.6 mm
  • Humidity Humidity 77%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 68%
  • Feels Like Feels Like 24 °C
  • Visibility Visibility 12 km
  • Wind Wind - Average 14 km/h
  • Pressure Pressure 1011 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 4100 m
16:00 Light rain 40% 1.5 mm 23° Light rain
Feels Like 23°
Calm Southwest 10 - 43 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 40% 1.5 mm
  • Humidity Humidity 79%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 67%
  • Feels Like Feels Like 23 °C
  • Visibility Visibility 16 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 43 km/h
  • Snowline Snowline 4100 m
19:00 Light rain 40% 0.5 mm 22° Light rain
Feels Like 22°
Calm Southwest 7 - 46 km/h
UV Index 0 Low SPF: no
  • Rain Rain 40% 0.5 mm
  • Humidity Humidity 84%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 68%
  • Feels Like Feels Like 22 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1009 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 46 km/h
  • Snowline Snowline 4200 m
22:00 Light rain 30% 0.4 mm 20° Light rain
Feels Like 20°
Calm Southwest 9 - 36 km/h
UV Index 0 Low SPF: no
  • Rain Rain 30% 0.4 mm
  • Humidity Humidity 90%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 60%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1010 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 36 km/h
  • Snowline Snowline 4200 m

Pollution in St. Louis Regional Airport Alton

Detail
31
Fair O₃ (75 µg/m³)
  • Little health risk.
  • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

Weather graphs
Maximum Minimum Rainfall

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