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.

Partly Cloudy

83°F

28°C

Humidity 65%
Wind Speed NE 3 mph
Barometer 30.07 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 21 Aug 11:15 am CDT
Extended Forecast for

Shawneetown IL

  • Today

    Today: Sunny, with a high near 87. North wind 3 to 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Calm wind.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82. Light and variable wind.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 87. North wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 87. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 62. North northwest wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming north around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. Calm wind.
Monday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 82. Light and variable wind.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Light east northeast wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Calm wind.
Thursday
Sunny, with a high near 87. Calm wind becoming northwest around 6 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Shawneetown IL
 37.7°N 88.16°W
Last Update:
9:01 am CDT Aug 21, 2026
Forecast Valid:
11am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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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