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.

Partly Cloudy

80°F

27°C

Humidity 61%
Wind Speed SW 12 mph
Barometer 29.99 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 17 Apr 11:35 am CDT
Extended Forecast for

Old Shawneetown IL

  • Today

    Today: A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 86. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Low around 54. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Partly Cloudy
    then Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Temperature falling to around 55 by 5pm. South southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.

    High: 69 °F⇓

    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 39. North northwest wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 20%.

    Low: 39 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 65. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. Calm wind becoming east southeast around 5 mph in the morning.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 50. South wind 3 to 6 mph.

    Low: 50 °F

    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 3pm and 4pm. Mostly sunny, with a high near 86. South southwest wind 7 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Low around 54. South wind around 10 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Temperature falling to around 55 by 5pm. South southwest wind 10 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%.
Saturday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Cloudy during the early evening, then gradual clearing, with a low around 39. North northwest wind 5 to 9 mph becoming light northwest after midnight. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 65. Light west wind becoming west northwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 71. Calm wind becoming east southeast around 5 mph in the morning.
Monday Night
Clear, with a low around 50. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 79. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 57. South southwest wind around 7 mph.
Wednesday
Sunny, with a high near 80. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 58. South wind around 6 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. South 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:
11:31 am CDT Apr 17, 2026
Forecast Valid:
11am CDT Apr 17, 2026-6pm CDT Apr 23, 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