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

46°F

8°C

Humidity 75%
Wind Speed Calm
Barometer 30.13 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 25 Mar 7:55 am CDT
Extended Forecast for

Old Shawneetown IL

  • Today

    Today: Mostly sunny, with a high near 75. Light south wind becoming south southwest 8 to 13 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 46. South southwest wind around 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. North wind 5 to 10 mph.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. East northeast wind 3 to 6 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38. Light east southeast wind.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66. South wind 3 to 8 mph.

    High: 66 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Light south wind becoming south southwest 8 to 13 mph in the morning.
Tonight
Mostly clear, with a low around 61. South wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 87. South southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 46. South southwest wind around 14 mph becoming north northwest after midnight. Winds could gust as high as 22 mph.
Friday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 56. North wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 33. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 58. East northeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 38. Light east southeast wind.
Sunday
Partly sunny, with a high near 66. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 53. South wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 76. South southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 61. South southwest wind 8 to 10 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 79. South southwest wind 10 to 14 mph, with gusts as high as 22 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:
5:26 am CDT Mar 25, 2026
Forecast Valid:
8am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation