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

Hazardous Weather Conditions

Current conditions at

Jacksonville Municipal Airport (KIJX)

Lat: 39.77°NLon: 90.24°WElev: 614ft.

Overcast

44°F

7°C

Humidity 98%
Wind Speed W 5 mph
Barometer 30.01 in
Dewpoint 43°F (6°C)
Visibility 0.50 mi
Wind Chill41°F (5°C)
Last update 5 Mar 8:35 am CST
Extended Forecast for

Alexander IL

Dense Fog Advisory March 5, 08:44am until March 5, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 5, 08:44am until March 5, 09:00am

    NOW until 9:00am Thu

    Dense Fog Advisory

  • Today

    High: 61 °F

    Chance
    Showers and
    Dense Fog
    then Cloudy

  • Tonight

    Tonight: A slight chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Areas of fog. Otherwise, mostly cloudy, with a low around 50. Light south wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 50 °F

    Areas Fog
    then Chance
    T-storms and
    Areas Fog

  • Friday

    Friday: A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 77. Breezy, with a south wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 56. Breezy, with a south wind 16 to 21 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: 56 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon. Mostly cloudy, with a temperature falling to around 52 by 5pm. Southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

    High: 61 °F⇓

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. West northwest wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Today
A 30 percent chance of showers before 10am. Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 61. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Tonight
A slight chance of showers between midnight and 3am, then a chance of showers and thunderstorms after 3am. Areas of fog. Otherwise, mostly cloudy, with a low around 50. Light south wind becoming south southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms before noon, then a slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 77. Breezy, with a south wind 13 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before midnight, then showers and possibly a thunderstorm between midnight and 3am, then showers after 3am. Low around 56. Breezy, with a south wind 16 to 21 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 showers before noon. Mostly cloudy, with a temperature falling to around 52 by 5pm. Southwest wind 11 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 9 mph, with gusts as high as 16 mph.
Sunday
Sunny, with a high near 62. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
A 40 percent chance of showers and thunderstorms after midnight. Mostly clear, with a low around 57.
Tuesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 73. Breezy.
Tuesday Night
Showers. Cloudy, with a low around 47. Breezy.
Wednesday
Showers likely. Mostly cloudy, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alexander IL
 39.72°N 90.04°W (Elev. 650 ft)
Last Update:
8:26 am CST Mar 5, 2026
Forecast Valid:
8am CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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