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

Significant Winter Storm to Continue Widespread Hazardous Weather Across the East

A strengthening eastern storm will bring areas of heavy snow and ice from the Midwest to the Mid-Atlantic and Northeast Wednesday before tapering off on Thursday. Further south, several inches of heavy rain are forecast Wednesday into this weekend. This may lead to river flooding and flash flooding across the Mid-South. Read More >

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

30°F

-1°C

Humidity 73%
Wind Speed E 12 mph
Barometer 30.24 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 19 Feb 11:50 pm CST
Extended Forecast for

Ottawa IL

Winter Weather Advisory until February 20, 12:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until February 20, 12:00pm

    NOW until
    12:00pm Wed

    Winter Weather Advisory

  • Overnight

    Overnight: Snow before 5am, then snow, possibly mixed with freezing rain. Low around 27. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.

    Wintry Mix

    Low: 27 °F

  • Wednesday

    Wednesday: Freezing rain before 11am, then rain between 11am and noon, then a chance of drizzle after noon. High near 36. East wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

    Rain/Freezing
    Rain then
    Chance
    Drizzle

    High: 36 °F

  • Wednesday
    Night

    Wednesday Night: Mostly cloudy, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Mostly Cloudy

    Low: 24 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 35. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Mostly Sunny

    High: 35 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.

    Partly Cloudy

    Low: 18 °F

  • Friday

    Friday: Mostly sunny, with a high near 39.

    Mostly Sunny

    High: 39 °F

  • Friday
    Night

    Friday Night: A chance of freezing rain between midnight and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Partly Cloudy
    then Chance
    Rain/Freezing
    Rain

    Low: 31 °F

  • Saturday

    Saturday: Rain likely, possibly mixed with freezing rain, becoming all rain after 7am. Cloudy, with a high near 44.

    Rain/Freezing
    Rain Likely
    then Rain
    Likely

    High: 44 °F

Detailed Forecast

Overnight
Snow before 5am, then snow, possibly mixed with freezing rain. Low around 27. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.
Wednesday
Freezing rain before 11am, then rain between 11am and noon, then a chance of drizzle after noon. High near 36. East wind 10 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 24. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 35. West wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday Night
Partly cloudy, with a low around 18. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 39.
Friday Night
A chance of freezing rain between midnight and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Rain likely, possibly mixed with freezing rain, becoming all rain after 7am. Cloudy, with a high near 44.
Saturday Night
Rain before 5am, then a chance of rain and snow. Cloudy, with a low around 34. Breezy.
Sunday
A chance of rain and snow before 11am, then a chance of rain between 11am and 4pm, then a slight chance of rain and snow after 4pm. Mostly cloudy, with a high near 38. Breezy.
Sunday Night
Mostly cloudy, with a low around 21. Breezy.
Monday
Partly sunny, with a high near 34.
Monday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 39.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Ottawa IL
 41.35°N 88.85°W
Last Update:
11:16 pm CST Feb 19, 2019
Forecast Valid:
12am CST Feb 20, 2019-6pm CST Feb 25, 2019
 
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