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

59°F

15°C

Humidity 95%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 24 Jun 1:15 am CDT
Extended Forecast for

Harrisburg-Raleigh Airport IL

  • Overnight

    Overnight: Mostly cloudy early, then becoming mostly clear, with a steady temperature around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Light south wind.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 70. Light south wind. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 71. Southwest wind 3 to 8 mph. Chance of precipitation is 70%.

    Low: 71 °F

    T-storms
    Likely then
    Showers
    Likely

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy early, then becoming mostly clear, with a steady temperature around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. Light south wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 87. Calm wind becoming south southwest around 6 mph in the afternoon.
Thursday Night
Showers and possibly a thunderstorm. Low around 70. Light south wind. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 10pm, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 71. Southwest wind 3 to 8 mph. Chance of precipitation is 70%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 8 mph.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 93. Light south southwest wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 75. South southwest wind 3 to 7 mph.
Monday
Sunny, with a high near 95. South southwest wind 3 to 8 mph.
Monday Night
Clear, with a low around 76. South wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 96. Calm wind becoming southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg-Raleigh Airport IL
 37.81°N 88.55°W
Last Update:
1:15 am CDT Jun 24, 2026
Forecast Valid:
1am CDT Jun 24, 2026-6pm CDT Jun 30, 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