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Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

67°F

19°C

Humidity 81%
Wind Speed SE 10 mph
Barometer 30.07 in (1017.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 15 Oct 8:54 am CDT
Extended Forecast for

Niantic IL

  • Today

    Today: Showers and possibly a thunderstorm.  High near 76. South wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am.  Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 21 mph becoming northwest after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers
    Likely then
    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly after 3pm.  Partly sunny, with a high near 55. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 32 mph.

    High: 55 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Areas of frost before 8am.  Otherwise, sunny, with a high near 58. North wind around 6 mph becoming calm  in the morning.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am.  Otherwise, clear, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 68. South wind 5 to 9 mph.

    High: 68 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 76. South wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 46. Breezy, with a southwest wind 14 to 21 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 30 percent chance of showers, mainly after 3pm. Partly sunny, with a high near 55. Breezy, with a northwest wind 21 to 24 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. North wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 58. North wind around 6 mph becoming calm in the morning.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind becoming south southeast around 5 mph after midnight.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 68. South wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Niantic IL
 39.85°N 89.17°W (Elev. 600 ft)
7:36 am CDT Oct 15, 2026
9am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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