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Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

56°F

13°C

Humidity 90%
Wind Speed NE 5 mph
Barometer 30.17 in (1021.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 16 Oct 5:54 am CDT
Extended Forecast for

Niantic IL

  • Today

    Today: Mostly sunny, with a high near 77. East southeast wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80. South wind 11 to 16 mph, with gusts as high as 22 mph.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am.  Partly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 21 mph.

    Low: 63 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm.  High near 78. Southwest wind 13 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm.  Low around 47. South southwest wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 47 °F

    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm.  Sunny, with a high near 62. Breezy, with a west wind 20 to 23 mph, with gusts as high as 33 mph.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 77. East southeast wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 57. South southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Friday
Partly sunny, with a high near 80. South wind 11 to 16 mph, with gusts as high as 22 mph.
Friday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 63. South wind around 14 mph, with gusts as high as 21 mph.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers between 1pm and 4pm, then showers and possibly a thunderstorm after 4pm. High near 78. Southwest wind 13 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 47. South southwest wind 9 to 18 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
A 30 percent chance of showers before 1pm. Sunny, with a high near 62. Breezy, with a west wind 20 to 23 mph, with gusts as high as 33 mph.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 70.
Monday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly sunny, with a high near 69. Breezy.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic IL
 39.85°N 89.17°W (Elev. 600 ft)
4:31 am CDT Oct 16, 2025
6am CDT Oct 16, 2025-6pm CDT Oct 22, 2025
 
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