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.

Fair

82°F

28°C

Humidity 70%
Wind Speed SW 15 G 22 mph
Barometer 29.55 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 17 Jun 8:35 pm CDT
Extended Forecast for

3 Miles NW Harrisburg IL

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with a west southwest wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%.

    Low: 73 °F

    Chance
    T-storms and
    Breezy then
    Heavy Rain

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Mostly sunny, with a high near 86. West southwest wind 5 to 7 mph becoming northwest in the afternoon.

    High: 86 °F

    Slight Chance
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Juneteenth

    Juneteenth: Sunny, with a high near 84. Light north wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. Light south wind.

    Low: 68 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. South southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Mostly cloudy, with a low around 70. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 70 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 4am, then a slight chance of showers. Some of the storms could produce heavy rainfall. Low around 73. Breezy, with a west southwest wind 19 to 24 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 90%.
Thursday
A 10 percent chance of showers before 7am. Mostly sunny, with a high near 86. West southwest wind 5 to 7 mph becoming northwest in the afternoon.
Thursday Night
A 20 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 84. Light north wind.
Friday Night
Partly cloudy, with a low around 64. Calm wind.
Saturday
Mostly sunny, with a high near 85. Calm wind becoming south southeast around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 68. Light south wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. South southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 70. West southwest wind 11 to 15 mph, with gusts as high as 23 mph.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. West wind around 11 mph becoming north in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Partly cloudy, with a low around 64. North wind 5 to 8 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. East wind 3 to 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 63. Calm wind.
Wednesday
Mostly sunny, with a high near 84. Calm wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Harrisburg IL
 37.77°N 88.61°W
Last Update:
2:26 pm CDT Jun 17, 2026
Forecast Valid:
8pm CDT Jun 17, 2026-6pm CDT Jun 24, 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