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

Mount Carmel, Mount Carmel Municipal Airport (KAJG)

Lat: 38.61°NLon: 87.73°WElev: 423ft.

Overcast

80°F

27°C

Humidity 52%
Wind Speed SW 17 G 24 mph
Barometer 30.03 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 13 Apr 2:15 pm CDT
Extended Forecast for

Lancaster IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 24 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 68. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 78. Southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    High: 78 °F

    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. Southwest wind 5 to 9 mph.

    Low: 61 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 86. South wind 5 to 11 mph.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 82. South southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 68. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 68. South southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. South southwest wind 11 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 65. South southwest wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 78. Southwest wind 11 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Thursday Night
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61. Southwest wind 5 to 9 mph.
Friday
Mostly sunny, with a high near 86. South wind 5 to 11 mph.
Friday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. South wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. West northwest wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 61. West northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lancaster IL
 38.54°N 87.88°W
Last Update:
1:26 pm CDT Apr 13, 2026
Forecast Valid:
2pm CDT Apr 13, 2026-6pm CDT Apr 19, 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