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

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

71°F

22°C

Humidity 69%
Wind Speed SE 6 mph
Barometer 29.95 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 17 May 9:15 pm CDT
Extended Forecast for

Shawneetown IL

  • Tonight

    Tonight: Mostly clear, with a low around 69. South wind 6 to 9 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 71. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. South southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 88 °F

    Slight Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 63. South southwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 90%.

    Low: 63 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. North wind around 9 mph. Chance of precipitation is 50%.

    High: 73 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 55. North northeast wind around 8 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Northeast wind around 8 mph.

    High: 74 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. East wind 3 to 6 mph.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 69. South wind 6 to 9 mph.
Monday
A slight chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 71. South wind 8 to 11 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 88. South southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 63. South southwest wind 5 to 8 mph becoming light and variable. Chance of precipitation is 90%.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 73. North wind around 9 mph. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 55. North northeast wind around 8 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 74. Northeast wind around 8 mph.
Thursday Night
A chance of showers, mainly after 1am. Mostly cloudy, with a low around 57. East wind 3 to 6 mph.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Southeast wind around 5 mph becoming west southwest in the afternoon.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Light south southwest wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Light and variable wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Light south southwest wind.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Calm wind becoming south around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shawneetown IL
 37.73°N 88.19°W
Last Update:
9:11 pm CDT May 17, 2026
Forecast Valid:
9pm CDT May 17, 2026-6pm CDT May 24, 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