Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

80°F

27°C

Humidity 84%
Wind Speed SW 6 mph
Barometer 29.91 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Jun 5:35 pm CDT
Extended Forecast for

3 Miles WSW Harrisburg IL

Extreme Heat Watch June 29, 11:00am until July 2, 08:00pm
Flood Watch June 27, 05:46pm until June 28, 07:00am
Severe T-storm Watch June 27, 05:46pm until June 27, 08:00pm
Heat Advisory June 28, 12:00pm until June 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Flood Watch
Severe T-storm Watch
Heat Advisory
  •  
    Flood Watch June 27, 05:46pm until June 28, 07:00am
    Severe T-storm Watch June 27, 05:46pm until June 27, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 78 °F

    Showers
    Likely

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am.  Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 10 percent chance of showers and thunderstorms before 7am.  Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 91 °F

    Slight Chance
    T-storms then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 74. South southwest wind 3 to 6 mph.

    Low: 74 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 94. South southwest wind 3 to 8 mph.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 78. West southwest wind around 5 mph. Chance of precipitation is 60%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly between 1am and 5am. Partly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A 10 percent chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 91. Heat index values as high as 105. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
Clear, with a low around 74. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 94. South southwest wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 75. Calm wind.
Wednesday
Sunny, with a high near 95. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 76. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Light and variable wind.
Thursday Night
Mostly clear, with a low around 76. Calm wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. Calm wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Independence Day
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Harrisburg IL
 37.72°N 88.58°W
4:41 pm CDT Jun 27, 2026
5pm CDT Jun 27, 2026-6pm CDT Jul 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database