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

Hazardous Weather Conditions

Current conditions at

Taylorville, Taylorville Municipal Airport (KTAZ)

Lat: 39.53°NLon: 89.33°WElev: 623ft.

Overcast

48°F

9°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 48°F (9°C)
Visibility 0.50 mi
Last update 4 Mar 7:55 pm CST
Extended Forecast for

5 Miles S Mechanicsburg IL

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

    NOW until 6:00am Thu

    Dense Fog Advisory

  • Tonight

    Low: 49 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    and Areas Fog

  • Thursday

    Thursday: Showers likely, mainly before 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 63. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 76. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 76 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 54. South wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before noon. Mostly cloudy, with a high near 63. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.

    High: 63 °F

    Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Northwest wind 5 to 8 mph becoming southwest after midnight.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Patchy fog. Low around 49. Light and variable wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely, mainly before 11am. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 63. West wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 51. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 76. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
A chance of showers before 9pm, then a chance of showers and thunderstorms between 9pm and midnight, then showers and possibly a thunderstorm after midnight. Low around 54. South wind 16 to 18 mph, with gusts as high as 28 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 high near 63. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 37. Northwest wind 5 to 8 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 44.
Monday
Sunny, with a high near 74.
Monday Night
A chance of rain and thunderstorms. Mostly clear, with a low around 58.
Tuesday
Rain. Mostly cloudy, with a high near 73. Breezy.
Tuesday Night
Rain. Mostly cloudy, with a low around 43. Breezy.
Wednesday
Rain likely. Mostly cloudy, with a high near 53. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Mechanicsburg IL
 39.75°N 89.41°W (Elev. 561 ft)
Last Update:
6:36 pm CST Mar 4, 2026
Forecast Valid:
8pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
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