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    ECMWF, GFS, ICON, GEM
    New: Official Warnings from National Meteorological Institutes Warning

    Decatur

    World / United States / Illinois

    39°50'N / 88°57'W / Altitude 206 m / 12:16 2026/05/03, America/Chicago (UTC-5)

    overcast 17.2 °C
    Wind speed 39 km/h
    Gust 54 km/h
     
    Humidity 41 %
    Air pressure 1015 hPa
    Visibility 16 km
    Clouds 80 %
    Cloud base 3352 m

    Weather report from station Decatur, Distance: 9 km (11:54 2026/05/03)

    Open Radar Map

    Weather for the next 24 hours

    13:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:00 tomorrow01:00 tomorrow02:00 tomorrow03:00 tomorrow04:00 tomorrow05:00 tomorrow06:00 tomorrow07:00 tomorrow08:00 tomorrow09:00 tomorrow10:00 tomorrow11:00 tomorrow12:00 tomorrow13:00 tomorrow
    overcast
    16 °C
    0 mm
    10 %
    S
    28 km/h
    Gust:
    47 km/h
    partly cloudy
    18 °C
    0 mm
    0 %
    SW
    28 km/h
    Gust:
    50 km/h
    clear sky with few clouds
    19 °C
    0 mm
    0 %
    SW
    29 km/h
    Gust:
    50 km/h
    overcast
    20 °C
    0 mm
    0 %
    SW
    25 km/h
    Gust:
    47 km/h
    overcast
    21 °C
    0 mm
    0 %
    SW
    23 km/h
    Gust:
    43 km/h
    overcast
    19 °C
    0 mm
    10 %
    SW
    16 km/h
    overcast
    19 °C
    0 mm
    10 %
    S
    15 km/h
    overcast
    17 °C
    0 mm
    40 %
    S
    19 km/h
    overcast
    16 °C
    0 mm
    40 %
    S
    17 km/h
    overcast
    16 °C
    0 mm
    30 %
    S
    13 km/h
    mostly cloudy
    14 °C
    0 mm
    30 %
    S
    7 km/h
    clear sky
    13 °C
    0 mm
    40 %
    S
    7 km/h
    clear sky
    13 °C
    0 mm
    30 %
    S
    16 km/h
    clear sky
    12 °C
    0 mm
    10 %
    SW
    4 km/h
    high clouds
    12 °C
    0 mm
    20 %
    SW
    7 km/h
    overcast
    12 °C
    0 mm
    40 %
    SW
    10 km/h
    overcast
    12 °C
    0 mm
    30 %
    SW
    10 km/h
    high clouds
    12 °C
    0 mm
    20 %
    SW
    9 km/h
    clear sky with few clouds
    13 °C
    0 mm
    10 %
    SW
    6 km/h
    clear sky with few clouds
    16 °C
    0 mm
    30 %
    SW
    17 km/h
    overcast
    19 °C
    0 mm
    30 %
    SW
    23 km/h
    Gust:
    54 km/h
    clear sky with few clouds
    19 °C
    0 mm
    30 %
    SW
    27 km/h
    Gust:
    58 km/h
    partly cloudy
    20 °C
    0 mm
    40 %
    SW
    25 km/h
    Gust:
    54 km/h
    clear sky
    22 °C
    0 mm
    40 %
    SW
    30 km/h
    Gust:
    50 km/h
    clear sky
    23 °C
    0 mm
    40 %
    SW
    28 km/h
    Gust:
    47 km/h

    Forecast

    01:0004:0007:0010:0013:0016:0019:0022:00
    clear sky
    13 °C
    0 mm
    40 %
    S
    16 km/h
    overcast
    12 °C
    0 mm
    40 %
    SW
    10 km/h
    clear sky with few clouds
    13 °C
    0 mm
    30 %
    SW
    6 km/h
    clear sky with few clouds
    19 °C
    0 mm
    30 %
    SW
    27 km/h
    Gust:
    58 km/h
    clear sky
    23 °C
    0 mm
    40 %
    SW
    28 km/h
    Gust:
    47 km/h
    clear sky
    26 °C
    0 mm
    40 %
    SW
    29 km/h
    Gust:
    47 km/h
    overcast
    24 °C
    0 mm
    40 %
    SW
    17 km/h
    Gust:
    43 km/h
    high clouds
    20 °C
    0 mm
    30 %
    S
    18 km/h

    Meteogram

    6121067107111112141315192026161417152218211618232928
    35
    30
    25
    20
    15
    10
    5
    0
    Sun
    03
    mostly cloudy
    Mon
    04
    clear sky with few clouds
    Tue
    05
    overcast with rain
    Wed
    06
    overcast
    Thu
    07
    clear sky with few clouds
    Fri
    08
    overcast with rain
    Sat
    09
    clear sky with few clouds
    Sun
    10
    overcast
    Mon
    11
    partly cloudy
    Tue
    12
    overcast with rain
    Wed
    13
    mixed with rain showers
    Thu
    14
    mixed with rain showers
    Fri
    15
    mixed with rain showers
    Sat
    16
    rain, thunderstorms likely

    Air quality (AQI)


    Air quality index (marked as AQI) is developed by Environmental Protection Agency. Values over 300 represents hazardous air quality, between 200-300 very unhealthy, 150-200 unhealthy, 100-150 unhealthy for sensitive groups and below 100 or rather below 50 the air quality is good.

    Sun and Moon

    Heading: Time:
    Phase: Altitude:


    Heading: Time:
    Illumination: Altitude:


    Date rise set rise Illumination


    Phase Time Length