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

Winter Storm Bringing Hazardous Travel from the Plains to the Northeast through this Weekend

A sprawling winter storm will create hazardous travel conditions from the Plains into the Northeastern U.S. through this weekend. Areas of moderate to heavy snow are forecast over much of the Upper Midwest, Great Lakes, and the interior Northeast and northern New England. Freezing rain is expected from the southern Plains into the Mid Mississippi Valley, and the Mid Atlantic region. Read More >

Hazardous Weather Conditions

Current conditions at

Decatur Airport (KDEC)

Lat: 39.83°NLon: 88.87°WElev: 670ft.

Light Freezing Rain

31°F

-1°C

Humidity 82%
Wind Speed SE 15 G 24 mph
Barometer 30.25 in (1025.4 mb)
Dewpoint 26°F (-3°C)
Visibility 9.00 mi
Wind Chill20°F (-7°C)
Last update 17 Jan 7:54 pm CST
Extended Forecast for

Decatur IL

Flood Watch until January 18, 12:00pm
Winter Weather Advisory until January 18, 12:00am
Click here for hazard details and duration
Flood Watch
Winter Weather Advisory
  •  
    Flood Watch until January 18, 12:00pm
    Winter Weather Advisory until January 18, 12:00am

    NOW: Multiple
    hazards in effect

    Click HERE for Details

  • Tonight

    Tonight: Freezing rain before 11pm, then rain. Patchy fog after midnight. Temperature rising to around 39 by 4am. Southeast wind 13 to 18 mph becoming south southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of 0.1 to 0.3 of an inch possible.

    Rain/Freezing
    Rain then
    Rain and
    Patchy Fog

    Low: 31 °F⇑

  • Saturday

    Saturday: Rain likely, mainly before 11am. Areas of fog before 7am. Otherwise, cloudy, with a temperature falling to around 22 by 5pm. Breezy, with a south southwest wind 15 to 24 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Rain Likely
    and Areas Fog
    then Cloudy
    and Breezy

    High: 41 °F⇓

  • Saturday
    Night

    Saturday Night: Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -8 and 2. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.

    Decreasing
    Clouds and
    Breezy

    Low: 7 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 15. Wind chill values between -7 and zero. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.

    Mostly Sunny

    High: 15 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 4. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.

    Mostly Cloudy

    Low: 4 °F

  • M.L.King
    Day

    M.L.King Day: Partly sunny, with a high near 17. Northwest wind around 6 mph.

    Partly Sunny

    High: 17 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 9. Northwest wind around 6 mph becoming calm in the evening.

    Mostly Clear

    Low: 9 °F

  • Tuesday

    Tuesday: Sunny, with a high near 27.

    Sunny

    High: 27 °F

Detailed Forecast

Tonight
Freezing rain before 11pm, then rain. Patchy fog after midnight. Temperature rising to around 39 by 4am. Southeast wind 13 to 18 mph becoming south southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. Total nighttime ice accumulation of 0.1 to 0.3 of an inch possible.
Saturday
Rain likely, mainly before 11am. Areas of fog before 7am. Otherwise, cloudy, with a temperature falling to around 22 by 5pm. Breezy, with a south southwest wind 15 to 24 mph becoming west in the afternoon. Winds could gust as high as 39 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Cloudy, then gradually becoming partly cloudy, with a low around 7. Wind chill values between -8 and 2. Breezy, with a west northwest wind 16 to 23 mph, with gusts as high as 37 mph.
Sunday
Mostly sunny, with a high near 15. Wind chill values between -7 and zero. West northwest wind 10 to 14 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 4. Northwest wind 6 to 10 mph, with gusts as high as 21 mph.
M.L.King Day
Partly sunny, with a high near 17. Northwest wind around 6 mph.
Monday Night
Mostly clear, with a low around 9. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Cloudy, with a low around 30.
Thursday
Cloudy, with a high near 43.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 34.
Friday
A chance of rain and snow. Cloudy, with a high near 45.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Decatur IL
 39.86°N 88.94°W (Elev. 682 ft)
Last Update:
7:25 pm CST Jan 17, 2020
Forecast Valid:
8pm CST Jan 17, 2020-6pm CST Jan 24, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation