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.

Mostly Cloudy

80°F

27°C

Humidity 58%
Wind Speed SW 17 G 23 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 10 Mar 2:15 pm CDT
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. South southwest wind around 15 mph, with gusts as high as 24 mph.

    High: 79 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then a chance of showers. Temperature rising to near 72 by noon, then falling to around 57 during the remainder of the day. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%.

    High: 72 °F⇓

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. North northwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind around 6 mph becoming west southwest in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South wind 5 to 15 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming light and variable after midnight.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. South southwest wind around 15 mph, with gusts as high as 24 mph.
Tonight
A chance of showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 64. South southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms before 4pm, then a chance of showers. Temperature rising to near 72 by noon, then falling to around 57 during the remainder of the day. Breezy, with a southwest wind 16 to 22 mph becoming northwest in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 100%.
Wednesday Night
A slight chance of showers between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 34. North northwest wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
Sunny, with a high near 54. North northwest wind around 6 mph becoming west southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. South wind 5 to 15 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 64. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 39. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 69. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
Partly cloudy, with a low around 54. South wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday
Showers likely. Partly sunny, with a high near 69. Breezy, with a south wind 14 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 25. Northwest wind 15 to 17 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind around 14 mph, with gusts as high as 23 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:
2:06 pm CDT Mar 10, 2026
Forecast Valid:
2pm CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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