Cooler Temperatures from the Great Plains to the East Coast Through Early This Week

High pressure brings cooler temperatures from the Great Plains to the East Coast through early this week. Widely scattered showers in the eastern Great Lakes, Appalachians, and Northeast are possible Sunday and Monday. Pacific storms early in the week will bring moderate to heavy rain to the Pacific Northwest and southeastern Alaska. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Overcast

53°F

12°C

Humidity 89%
Wind Speed N 10 G 24 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 14 Oct 8:54 pm CDT
Extended Forecast for

Decatur IL

  • Tonight

    Tonight: Isolated showers before 1am.  Mostly cloudy, with a low around 45. North wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Isolated
    Showers

    Low: 45 °F

  • Sunday

    Sunday: Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 21 mph.

    Mostly Cloudy

    High: 55 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 43. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Mostly Cloudy

    Low: 43 °F

  • Monday

    Monday: Mostly sunny, with a high near 57. North northwest wind around 11 mph, with gusts as high as 17 mph.

    Mostly Sunny

    High: 57 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 40. North northwest wind 3 to 8 mph.

    Partly Cloudy

    Low: 40 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Calm wind becoming west around 6 mph in the morning.

    Mostly Sunny

    High: 60 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 43. South southeast wind 6 to 8 mph.

    Mostly Clear

    Low: 43 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    Mostly Sunny

    High: 67 °F

  • Wednesday
    Night

    Wednesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 51.

    Chance
    Showers

    Low: 51 °F

Detailed Forecast

Tonight
Isolated showers before 1am. Mostly cloudy, with a low around 45. North wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
Mostly cloudy, with a high near 55. North wind 13 to 15 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 43. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Monday
Mostly sunny, with a high near 57. North northwest wind around 11 mph, with gusts as high as 17 mph.
Monday Night
Partly cloudy, with a low around 40. North northwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 60. Calm wind becoming west around 6 mph in the morning.
Tuesday Night
Mostly clear, with a low around 43. South southeast wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 64.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48.
Friday
Partly sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 61.
Click Map For Forecast
Point Forecast:
Decatur IL
 39.84°N 88.94°W (Elev. 692 ft)
7:40 pm CDT Oct 14, 2023
9pm CDT Oct 14, 2023-6pm CDT Oct 21, 2023
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database