Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fair

41°F

5°C

Humidity 60%
Wind Speed W 9 mph
Barometer 30.28 in (1025.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Mar 10:54 am CDT
Extended Forecast for

Niantic IL

Wind Advisory March 12, 10:00pm until March 13, 01:00pm
Click here for hazard details and duration
Wind Advisory
  • Today

    Today: Sunny, with a high near 50. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.

    High: 50 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 54. Breezy, with a west wind 21 to 26 mph, with gusts as high as 41 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. West northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 55. East southeast wind 8 to 14 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 48. East southeast wind 11 to 17 mph, with gusts as high as 25 mph.

    Low: 48 °F

    Cloudy

  • Sunday

    Sunday: Rain.  High near 63. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow likely before 1am, then a chance of snow.  Cloudy, with a low around 20. Windy.  Chance of precipitation is 70%.

    Low: 20 °F

    Rain/Snow
    Likely and
    Windy

  • Monday

    Monday: Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Mostly Cloudy
    and Blustery

Detailed Forecast

Today
Sunny, with a high near 50. Southwest wind 9 to 14 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 41. Breezy, with a south wind 14 to 19 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.
Friday
Partly sunny, with a high near 54. Breezy, with a west wind 21 to 26 mph, with gusts as high as 41 mph.
Friday Night
Mostly cloudy, with a low around 33. West northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 22 mph.
Saturday
Mostly cloudy, with a high near 55. East southeast wind 8 to 14 mph, with gusts as high as 20 mph.
Saturday Night
Cloudy, with a low around 48. East southeast wind 11 to 17 mph, with gusts as high as 25 mph.
Sunday
Rain. High near 63. Breezy, with a south wind 18 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain and snow likely before 1am, then a chance of snow. Cloudy, with a low around 20. Windy. Chance of precipitation is 70%.
Monday
Mostly cloudy, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 31.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic IL
 39.85°N 89.17°W (Elev. 600 ft)
10:36 am CDT Mar 12, 2026
11am CDT Mar 12, 2026-6pm CDT Mar 18, 2026
 
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Additional Resources

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