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

63°F

17°C

Humidity 82%
Wind Speed SW 9 mph
Barometer 29.93 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 7 Mar 2:35 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a steady temperature around 63. South wind 10 to 15 mph becoming west northwest. Winds could gust as high as 21 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. West northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 66. Calm wind becoming southwest around 5 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45. South southwest wind 3 to 6 mph.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Partly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 63. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 73 °F

    Showers

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a steady temperature around 63. South wind 10 to 15 mph becoming west northwest. Winds could gust as high as 21 mph.
Tonight
A 20 percent chance of showers before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 41. West northwest wind 5 to 9 mph becoming calm after midnight.
Sunday
Sunny, with a high near 66. Calm wind becoming southwest around 5 mph.
Sunday Night
Clear, with a low around 45. South southwest wind 3 to 6 mph.
Monday
Sunny, with a high near 74. South southwest wind 6 to 14 mph, with gusts as high as 23 mph.
Monday Night
A slight chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers after 3am. Partly cloudy, with a low around 61. South southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 78. South southwest wind 8 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Cloudy, with a low around 63. South southwest wind 14 to 17 mph, with gusts as high as 28 mph.
Wednesday
Showers and possibly a thunderstorm. Cloudy, with a high near 73. South southwest wind 16 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
A chance of showers, mainly before midnight. Partly cloudy, with a low around 35. Northwest wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 55. Northwest wind 5 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 41. Light west southwest wind becoming south 6 to 11 mph in the evening. Winds could gust as high as 21 mph.
Friday
Partly sunny, with a high near 66. Southwest wind 13 to 18 mph, with gusts as high as 28 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.58°W
Last Update:
2:07 pm CST Mar 7, 2026
Forecast Valid:
2pm CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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Additional Resources

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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