St. Louis Regional Airport Alton, IL Weather

    07:00 Wednesday
    Overcast
    Overcast
    5° Feels like 1°
    Moderate northwest wind Northwest 21 - 40 km/h
    • Today 14 Jan. Scattered clouds 8° / -7° Strong northwest wind 30 - 58 km/h
    • Tomorrow 15 Jan. Snow with partly cloudy skies 40% 0.6 mm 0° / -8° Moderate northwest wind 17 - 31 km/h
    • Friday 16 Jan. Snow with partly cloudy skies 30% 0.2 mm 6° / -2° Strong west wind 28 - 54 km/h
    • Saturday 17 Jan. Partly cloudy -3° / -8° Moderate west wind 24 - 49 km/h
    • Sunday 18 Jan. Partly cloudy 3° / -9° Moderate west wind 23 - 46 km/h
    • Monday 19 Jan. Clear -1° / -13° Strong northwest wind 32 - 64 km/h
    • Tuesday 20 Jan. Scattered clouds 1° / -13° Moderate south wind 21 - 45 km/h

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

    , 14 January

    Tomorrow

    , 15 January
    07:00 Overcast 5° Overcast
    Feels Like 1°
    Moderate northwest wind Northwest 21 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point 0 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like 1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1011 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 1969 ft
    08:00 Partly cloudy 3° Partly cloudy
    Feels Like -1°
    Moderate northwest wind Northwest 24 - 44 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 72%
    • Dew Point Dew Point -1 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like -1 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 24 km/h
    • Pressure Pressure 1012 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 44 km/h
    • Snowline Snowline 1640 ft
    09:00 Overcast 3° Overcast
    Feels Like -2°
    Strong northwest wind Northwest 27 - 52 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 68%
    • Dew Point Dew Point -3 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -2 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 27 km/h
    • Pressure Pressure 1013 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 52 km/h
    • Snowline Snowline 1312 ft
    10:00 Overcast 2° Overcast
    Feels Like -3°
    Strong northwest wind Northwest 29 - 54 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 64%
    • Dew Point Dew Point -4 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -3 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 1014 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 54 km/h
    • Snowline Snowline 984 ft
    Overcast 11:00 Overcast 1° Overcast
    Feels Like -5°
    Strong northwest wind Northwest 30 - 58 km/h
    		UV Index 1 Low SPF: no
    11:00 Overcast 1° Overcast
    Feels Like -5°
    Strong northwest wind Northwest 30 - 58 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -6 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -5 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 1015 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 58 km/h
    • Snowline Snowline 656 ft
    12:00 Overcast 0° Overcast
    Feels Like -6°
    Strong northwest wind Northwest 30 - 58 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 59%
    • Dew Point Dew Point -7 °C
    • Clouds Clouds 100%
    • Feels Like Feels Like -6 °C
    • Visibility Visibility 35 km
    • Wind Wind - Average 30 km/h
    • Pressure Pressure 1016 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 58 km/h
    • Snowline Snowline 656 ft
    13:00 Partly cloudy -1° Partly cloudy
    Feels Like -7°
    Strong northwest wind Northwest 29 - 58 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 55%
    • Dew Point Dew Point -9 °C
    • Clouds Clouds 95%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 1017 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 58 km/h
    • Snowline Snowline 0 ft
    Scattered clouds 14:00 Scattered clouds -1° Scattered clouds
    Feels Like -7°
    Strong northwest wind Northwest 29 - 57 km/h
    		UV Index 1 Low SPF: no
    14:00 Partly cloudy -1° Partly cloudy
    Feels Like -7°
    Strong northwest wind Northwest 29 - 57 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -11 °C
    • Clouds Clouds 29%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 40 km
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 57 km/h
    • Snowline Snowline 0 ft
    15:00 Clear -1° Sunny
    Feels Like -7°
    Strong northwest wind Northwest 29 - 56 km/h
    		UV Index 1 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 43%
    • Dew Point Dew Point -12 °C
    • Clouds Clouds 4%
    • Feels Like Feels Like -7 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 29 km/h
    • Pressure Pressure 1018 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 56 km/h
    • Snowline Snowline 0 ft
    16:00 Clear -2° Sunny
    Feels Like -8°
    Strong northwest wind Northwest 25 - 55 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 39%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 50 km
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1019 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 55 km/h
    • Snowline Snowline 0 ft
    Sunny 17:00 Clear -2° Sunny
    Feels Like -8°
    Moderate northwest wind Northwest 25 - 48 km/h
    		UV Index 0 Low SPF: no
    17:00 Clear -2° Sunny
    Feels Like -8°
    Moderate northwest wind Northwest 25 - 48 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 41%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -8 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 25 km/h
    • Pressure Pressure 1020 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 48 km/h
    • Snowline Snowline 0 ft
    18:00 Clear skies -3° Clear
    Feels Like -9°
    Moderate northwest wind Northwest 21 - 46 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -13 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -9 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 46 km/h
    • Snowline Snowline 0 ft
    19:00 Clear skies -4° Clear
    Feels Like -10°
    Moderate northwest wind Northwest 21 - 41 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -10 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 21 km/h
    • Pressure Pressure 1021 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 41 km/h
    • Snowline Snowline 0 ft
    Clear 20:00 Clear skies -5° Clear
    Feels Like -11°
    Moderate northwest wind Northwest 20 - 40 km/h
    		UV Index 0 Low SPF: no
    20:00 Clear skies -5° Clear
    Feels Like -11°
    Moderate northwest wind Northwest 20 - 40 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -14 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 20 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 40 km/h
    • Snowline Snowline 0 ft
    21:00 Clear skies -5° Clear
    Feels Like -11°
    Moderate northwest wind Northwest 19 - 37 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 48%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 19 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 37 km/h
    • Snowline Snowline 0 ft
    22:00 Clear skies -6° Clear
    Feels Like -11°
    Moderate northwest wind Northwest 17 - 34 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 47%
    • Dew Point Dew Point -15 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -11 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 34 km/h
    • Snowline Snowline 0 ft
    Clear 23:00 Clear skies -6° Clear
    Feels Like -12°
    Moderate northwest wind Northwest 17 - 32 km/h
    		UV Index 0 Low SPF: no
    23:00 Clear skies -6° Clear
    Feels Like -12°
    Moderate northwest wind Northwest 17 - 32 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 32 km/h
    • Snowline Snowline 0 ft
    24:00 Clear skies -6° Clear
    Feels Like -12°
    Moderate northwest wind Northwest 17 - 31 km/h
    		UV Index 0 Low SPF: no
    • Rain Rain 0% 0 mm
    • Humidity Humidity 46%
    • Dew Point Dew Point -16 °C
    • Clouds Clouds 0%
    • Feels Like Feels Like -12 °C
    • Visibility Visibility 45 km
    • Wind Wind - Average 17 km/h
    • Pressure Pressure 1022 hPa
    • Fog Fog No
    • Wind - Gusts Wind - Gusts 31 km/h
    • Snowline Snowline 0 ft

    Sunrise and Sunset

    Sunrise 07:17 Sunset 17:01
    First light 06:48 Midday 12:09 Last light 17:30
    Day length 9h 44m

    Time remaining until sunrise 15m

    Lunar calendar

    Mon Tue Wed Thu Fri Sat Sun
    14 Last Quarter
    15 Last Quarter
    16 Last Quarter
    17 New Moon
    18 New Moon
    19 New Moon
    20 First Quarter
    21 First Quarter
    22 First Quarter
    23 First Quarter
    24 First Quarter
    25 First Quarter
    26 First Quarter
    27 First Quarter

    Air quality in St. Louis Regional Airport Alton today

    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

    Videos

    More Videos
    Catastrophic floods in Bengkang Hamlet, Indonesia
    Catastrophic floods in Bengkang Hamlet, Indonesia