National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Fog/Mist

51°F

11°C

Humidity 92%
Wind Speed SE 3 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 49°F (9°C)
Visibility 5.00 mi
Last update 20 Nov 6:54 pm CST
Extended Forecast for

3 Miles W Arthur IL

  • Tonight

    Tonight: Patchy drizzle before 8pm, then a chance of rain, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 48. East southeast wind 3 to 5 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Chance Rain
    and Patchy
    Fog

  • Friday

    Friday: Rain likely. Patchy fog before 10am. Otherwise, cloudy, with a high near 55. Northeast wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Rain Likely
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 37. North northeast wind 7 to 10 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 53. North wind 5 to 7 mph becoming light and variable in the afternoon.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 33. Southwest wind 3 to 5 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 58. West southwest wind around 6 mph.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. South southeast wind 3 to 6 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Rain

Detailed Forecast

Tonight
Patchy drizzle before 8pm, then a chance of rain, mainly after 3am. Patchy fog. Otherwise, cloudy, with a low around 48. East southeast wind 3 to 5 mph. Chance of precipitation is 50%.
Friday
Rain likely. Patchy fog before 10am. Otherwise, cloudy, with a high near 55. Northeast wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37. North northeast wind 7 to 10 mph.
Saturday
Sunny, with a high near 53. North wind 5 to 7 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 33. Southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 58. West southwest wind around 6 mph.
Sunday Night
Mostly cloudy, with a low around 39. South southeast wind 3 to 6 mph.
Monday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 57.
Monday Night
Rain. Low around 46. Chance of precipitation is 80%.
Tuesday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 25.
Thanksgiving Day
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Arthur IL
 39.72°N 88.52°W (Elev. 682 ft)
Last Update:
7:11 pm CST Nov 20, 2025
Forecast Valid:
7pm CST Nov 20, 2025-6pm CST Nov 27, 2025
 
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Additional Resources

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Chance of Precipitation