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

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

76°F

24°C

Humidity 58%
Wind Speed S 9 mph
Barometer 29.91 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Apr 7:15 pm CDT
Extended Forecast for

Old Shawneetown IL

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. South southwest wind around 10 mph. Chance of precipitation is 70%.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 59. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. South southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    High: 74 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 64. South southwest wind around 10 mph. Chance of precipitation is 70%.
Thursday
Showers and thunderstorms likely, mainly before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 8 to 10 mph. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 59. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light south wind increasing to 5 to 10 mph in the morning.
Friday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 62. South wind 7 to 10 mph, with gusts as high as 18 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. South southwest wind 10 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 41. Northwest wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 65. West northwest wind 5 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 41. Northwest wind around 5 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 71. South wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 49. South wind 3 to 6 mph.
Tuesday
Sunny, with a high near 77. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 54. South southwest wind around 7 mph.
Wednesday
A slight chance of showers and thunderstorms. Sunny, with a high near 79. Southwest wind 6 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Shawneetown IL
 37.7°N 88.13°W
Last Update:
6:36 pm CDT Apr 15, 2026
Forecast Valid:
7pm CDT Apr 15, 2026-6pm CDT Apr 22, 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