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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

61°F

16°C

Humidity 50%
Wind Speed S 12 G 20 mph
Barometer 29.71 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Mar 4:35 am CDT
Extended Forecast for

Harrisburg IL

Wind Advisory March 15, 10:00am until March 16, 07:00am
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    High: 72 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 26. Blustery, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.

    Low: 26 °F

    Showers and
    Blustery then
    Mostly Cloudy
    and Breezy

  • Monday

    Monday: Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph.

    High: 35 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 17. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.

    Low: 17 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 39. West northwest wind 5 to 7 mph.

    High: 39 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59. South wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. South southwest wind around 7 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70. West wind around 6 mph.

    High: 70 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 72. Breezy, with a south wind 15 to 20 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 11pm. Low around 26. Blustery, with a west wind 21 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 35. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph.
Monday Night
Partly cloudy, with a low around 17. West northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 39. West northwest wind 5 to 7 mph.
Tuesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 29. Light south wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 59. South wind 11 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 43. South southwest wind around 7 mph.
Thursday
Sunny, with a high near 70. West wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 46. Light and variable wind.
Friday
Mostly sunny, with a high near 74. Southwest wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 50. Southwest wind around 7 mph becoming west northwest after midnight.
Saturday
Partly sunny, with a high near 69. Northwest wind 7 to 10 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:
4:21 am CDT Mar 15, 2026
Forecast Valid:
4am CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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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