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

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

Fog

47°F

8°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 45°F (7°C)
Visibility 0.50 mi
Last update 5 Mar 12:35 am CST
Extended Forecast for

Chestnut IL

Dense Fog Advisory March 5, 12:50am until March 5, 06:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 12:50am until March 5, 06:00am

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 47 °F

    Showers
    Likely and
    Dense Fog

  • Thursday

    Thursday: A 40 percent chance of rain between 11am and 1pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 61. West wind 5 to 8 mph.

    High: 61 °F

    Chance
    Showers and
    Areas Fog
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A 40 percent chance of rain and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 50. Light and variable wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.

    Low: 50 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%.

    High: 76 °F

    Breezy.
    Chance
    T-storms then
    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    Chance Rain
    then Rain and
    Breezy

  • Saturday

    Saturday: A 40 percent chance of rain before noon. Mostly cloudy, with a high near 64. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 64 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Overnight
Showers and thunderstorms likely before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers after 5am. Widespread dense fog. Otherwise, mostly cloudy, with a low around 47. Light and variable wind. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of rain between 11am and 1pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 61. West wind 5 to 8 mph.
Thursday Night
A 40 percent chance of rain and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 50. Light and variable wind becoming southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph.
Friday
A chance of rain and thunderstorms before 9am, then a chance of rain between 9am and noon. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain before midnight, then rain and possibly a thunderstorm between midnight and 3am, then rain after 3am. Low around 55. Breezy, with a south wind 16 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 40 percent chance of rain before noon. Mostly cloudy, with a high near 64. Southwest wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 36. West northwest wind 6 to 11 mph, with gusts as high as 17 mph.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 44.
Monday
Sunny, with a high near 74.
Monday Night
A chance of rain and thunderstorms. Partly cloudy, with a low around 56.
Tuesday
Rain. Mostly cloudy, with a high near 72. Breezy.
Tuesday Night
Rain. Cloudy, with a low around 47. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 58. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chestnut IL
 40.05°N 89.19°W (Elev. 623 ft)
Last Update:
12:26 am CST Mar 5, 2026
Forecast Valid:
12am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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