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.

Thunderstorm in Vicinity

57°F

14°C

Humidity 94%
Wind Speed Calm
Barometer 29.66 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Mar 5:21 am CDT
Extended Forecast for

Assumption IL

  • Overnight

    Overnight: Showers and possibly a thunderstorm. Steady temperature around 67. West southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 42 by 3pm. Breezy, with a southwest wind 15 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F⇓

    Breezy.
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.

    Low: 29 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 50. West wind 6 to 13 mph, with gusts as high as 18 mph.

    High: 50 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy, with a south wind 13 to 23 mph, with gusts as high as 34 mph.

    Low: 41 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Partly sunny, with a high near 55. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.

    High: 55 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33. Northwest wind 6 to 9 mph becoming east northeast after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 67. West southwest wind around 17 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 42 by 3pm. Breezy, with a southwest wind 15 to 23 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 29. Blustery, with a north northwest wind 16 to 21 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Increasing clouds, with a high near 50. West wind 6 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Mostly cloudy, with a low around 41. Breezy, with a south wind 13 to 23 mph, with gusts as high as 34 mph.
Friday
Partly sunny, with a high near 55. Breezy, with a west wind 16 to 22 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a low around 33. Northwest wind 6 to 9 mph becoming east northeast after midnight.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
Showers likely and possibly a thunderstorm, then showers after 1pm. High near 60. Breezy. Chance of precipitation is 90%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 21. Blustery.
Monday
Mostly sunny, with a high near 31. Blustery.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Assumption IL
 39.51°N 89.07°W (Elev. 627 ft)
Last Update:
5:26 am CDT Mar 11, 2026
Forecast Valid:
5am CDT Mar 11, 2026-6pm CDT Mar 17, 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