St. Louis Regional Airport Alton, IL Weather

    06:00 Thursday
    Overcast
    Overcast
    12° Feels like 12°
    First Quarter First Quarter Illuminated: 29%
    • Today 25 Dec. Fog More information 16° / 11° Moderate south wind 16 - 28 km/h
    • Tomorrow 26 Dec. Clear 19° / 7° Moderate west wind 17 - 35 km/h
    • Saturday 27 Dec. Moderate rain with partly cloudy skies 30% 5.6 mm 19° / 5° Moderate south wind 20 - 39 km/h
    • Sunday 28 Dec. Thunderstorm with cloudy skies 90% 19 mm 19° / 0° Strong northwest wind 28 - 53 km/h
    • Monday 29 Dec. Clear 1° / -7° Strong north wind 32 - 62 km/h
    • Tuesday 30 Dec. Scattered clouds 1° / -7° Moderate southwest wind 15 - 29 km/h
    • Wednesday 31 Dec. Clear 8° / -1° Moderate southwest wind 14 - 28 km/h

    Weather Forecast for St. Louis Regional Airport Alton, IL Today

    , 25 December

    Tomorrow

    , 26 December
    06:00 Overcast 12° Overcast
    Feels Like 12°
    Gentle northwest wind Northwest 3 - 5 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 2 km
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 5 km/h
    • Snowline Snowline 14436 ft
    07:00 Fog 12° Fog
    Feels Like 12°
    Gentle north wind North 3 - 5 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 11 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 350 m
    • Wind Wind - Average 3 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 5 km/h
    • Snowline Snowline 14436 ft
    08:00 Fog 12° Fog
    Feels Like 12°
    Gentle northeast wind Northeast 6 - 10 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 100%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 900 m
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog Yes
    • Wind - Gusts Wind - Gusts 10 km/h
    • Snowline Snowline 14436 ft
    09:00 Overcast 12° Overcast
    Feels Like 12°
    Gentle east wind East 6 - 12 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 12 °C
    • Visibility Visibility 8 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14108 ft
    10:00 Overcast 13° Overcast
    Feels Like 13°
    Gentle east wind East 5 - 12 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 12 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 13 °C
    • Visibility Visibility 4 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14108 ft
    Overcast 11:00 Overcast 14° Overcast
    Feels Like 14°
    Gentle east wind East 4 - 12 km/h
    		UV Index 1 Low SPF: no
    11:00 Overcast 14° Overcast
    Feels Like 14°
    Gentle east wind East 4 - 12 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 4 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 12 km/h
    • Snowline Snowline 14108 ft
    12:00 Overcast 15° Overcast
    Feels Like 15°
    Gentle southeast wind Southeast 5 - 13 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 5 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 13 km/h
    • Snowline Snowline 14108 ft
    13:00 Overcast 15° Overcast
    Feels Like 15°
    Gentle southeast wind Southeast 6 - 14 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 93%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 6 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 14 km/h
    • Snowline Snowline 13780 ft
    Overcast 14:00 Overcast 16° Overcast
    Feels Like 16°
    Gentle southeast wind Southeast 8 - 15 km/h
    		UV Index 1 Low SPF: no
    14:00 Overcast 16° Overcast
    Feels Like 16°
    Gentle southeast wind Southeast 8 - 15 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 92%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 10 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 13780 ft
    15:00 Overcast 16° Overcast
    Feels Like 16°
    Gentle southeast wind Southeast 8 - 15 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 94%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 16 °C
    • Visibility Visibility 14 km
    • Wind Wind - Average 8 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 15 km/h
    • Snowline Snowline 14108 ft
    16:00 Overcast 15° Overcast
    Feels Like 15°
    Gentle east wind East 10 - 18 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 95%
    • Dew Point Dew Point 15 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 20 km
    • Wind Wind - Average 10 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 18 km/h
    • Snowline Snowline 13780 ft
    Partly cloudy 17:00 Partly cloudy 15° Partly cloudy
    Feels Like 15°
    Moderate east wind East 12 - 20 km/h
    		UV Index 0 Low SPF: no
    17:00 Overcast 15° Overcast
    Feels Like 15°
    Moderate east wind East 12 - 20 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 74%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 20 km/h
    • Snowline Snowline 13780 ft
    18:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate east wind East 12 - 21 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 14%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 12 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 21 km/h
    • Snowline Snowline 13451 ft
    19:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate southeast wind Southeast 14 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 25%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 13451 ft
    Scattered clouds 20:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate southeast wind Southeast 14 - 24 km/h
    		UV Index 0 Low SPF: no
    20:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate southeast wind Southeast 14 - 24 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 99%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 54%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 24 km/h
    • Snowline Snowline 13780 ft
    21:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate southeast wind Southeast 14 - 23 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 98%
    • Dew Point Dew Point 13 °C
    • Clouds Clouds 51%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 14 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 23 km/h
    • Snowline Snowline 13451 ft
    22:00 Scattered clouds 14° Scattered clouds
    Feels Like 14°
    Moderate south wind South 15 - 26 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 49%
    • Feels Like Feels Like 14 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 26 km/h
    • Snowline Snowline 13451 ft
    Scattered clouds 23:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Moderate south wind South 16 - 27 km/h
    		UV Index 0 Low SPF: no
    23:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Moderate south wind South 16 - 27 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 96%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 48%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 18 km
    • Wind Wind - Average 16 km/h
    • Pressure Pressure 1010 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 27 km/h
    • Snowline Snowline 13451 ft
    24:00 Scattered clouds 15° Scattered clouds
    Feels Like 15°
    Moderate south wind South 15 - 28 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 97%
    • Dew Point Dew Point 14 °C
    • Clouds Clouds 47%
    • Feels Like Feels Like 15 °C
    • Visibility Visibility 16 km
    • Wind Wind - Average 15 km/h
    • Pressure Pressure 1009 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 28 km/h
    • Snowline Snowline 13780 ft

    Sunrise and Sunset

    Sunrise 07:17 Sunset 16:43
    First light 06:47 Midday 12:00 Last light 17:13
    Day length 9h 27m

    Time remaining until sunrise 1h 13m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    25 First Quarter
    26 First Quarter
    27 First Quarter
    28 First Quarter
    29 First Quarter
    30 First Quarter
    31 First Quarter
    1 First Quarter
    2 Full Moon
    3 Full Moon
    4 Full Moon
    5 Last Quarter
    6 Last Quarter
    7 Last Quarter

    Air quality in St. Louis Regional Airport Alton today

    Detail
    32
    Fair PM₂₅ (18 µg/m³)
    • Little health risk.
    • Sensitive people should consider reducing prolonged or intense outdoor activities if they experience symptoms.

    Weather graphs
    Maximum Minimum Rainfall

    Videos

    More Videos
    A very intense storm causes flooding in Buenos Aires, Argentina
    A very intense storm causes flooding in Buenos Aires, Argentina