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

Hazardous Weather Conditions

Current conditions at

University of Illinois - Willard (KCMI)

Lat: 40.03°NLon: 88.28°WElev: 741ft.

Overcast

54°F

12°C

Humidity 100%
Wind Speed S 12 mph
Barometer 29.94 in (1014.1 mb)
Dewpoint 54°F (12°C)
Visibility 0.25 mi
Wind Chill50°F (10°C)
Last update 5 Mar 3:53 am CST
Extended Forecast for

Sidney IL

Dense Fog Advisory March 5, 03:58am until March 5, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 03:58am until March 5, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 49 °F

    Showers and
    Dense Fog

  • Thursday

    Thursday: Showers likely, mainly before 11am. Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 60. South southwest wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Showers
    Likely and
    Dense Fog

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, cloudy, with a low around 50. Calm wind becoming south southeast 5 to 7 mph after midnight.

    Low: 50 °F

    Fog then
    Chance
    T-storms and
    Fog

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 75 °F

    Chance
    T-storms and
    Patchy Fog
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Mostly Cloudy
    then Showers
    and Breezy

  • Saturday

    Saturday: Showers likely before noon. Mostly cloudy, with a high near 67. Breezy, with a south southwest wind 13 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 67 °F

    Breezy.
    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Widespread dense fog. Low around 49. East southeast wind 3 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers likely, mainly before 11am. Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 60. South southwest wind 5 to 9 mph becoming west in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A 30 percent chance of showers and thunderstorms after 3am. Widespread fog, mainly before 3am. Otherwise, cloudy, with a low around 50. Calm wind becoming south southeast 5 to 7 mph after midnight.
Friday
A 50 percent chance of showers and thunderstorms before 9am. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 75. Breezy, with a south wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Friday Night
Showers and possibly a thunderstorm after midnight. Low around 58. Breezy, with a south wind 14 to 22 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely before noon. Mostly cloudy, with a high near 67. Breezy, with a south southwest wind 13 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 10 mph, with gusts as high as 16 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 73. Breezy.
Monday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 55.
Tuesday
Showers. Mostly cloudy, with a high near 72. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 49. Breezy.
Wednesday
Showers likely. Cloudy, with a high near 60. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sidney IL
 40.03°N 88.07°W (Elev. 653 ft)
Last Update:
3:01 am CST Mar 5, 2026
Forecast Valid:
3am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation