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.

Overcast

43°F

6°C

Humidity 63%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 2:55 am CDT
Extended Forecast for

Old Shawneetown IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Light southeast wind.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56. South wind 7 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 33 mph.

    High: 83 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 57 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 71. West wind around 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.

    High: 71 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. East northeast wind around 8 mph.

    Low: 55 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Light southeast wind.
Sunday
Mostly sunny, with a high near 71. South southwest wind 5 to 10 mph increasing to 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 56. South wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 79. Breezy, with a south southwest wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 mph.
Monday Night
Mostly clear, with a low around 65. South southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 83. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 33 mph.
Tuesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 71. West wind around 11 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. East northeast wind around 8 mph.
Thursday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 71. Southeast wind 8 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Showers likely. Cloudy, with a low around 54. South wind around 8 mph.
Friday
Showers likely. Mostly cloudy, with a high near 76. South southwest wind 7 to 9 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 58. South wind 6 to 8 mph.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 74. South wind 10 to 14 mph, with gusts as high as 21 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:
1:26 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 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