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.

Overcast

50°F

10°C

Humidity 90%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 19 Nov 6:55 pm CST
Extended Forecast for

Harrisburg IL

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, cloudy, with a low around 46. Calm wind.

    Low: 46 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Showers likely, mainly between noon and 2pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 59. Calm wind becoming southeast 5 to 7 mph. Chance of precipitation is 70%.

    High: 59 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before midnight, then showers between midnight and 3am, then showers and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. High near 67. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 70%.

    Low: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 61. North northeast wind 3 to 6 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Light and variable wind.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of showers after midnight. Mostly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, cloudy, with a low around 46. Calm wind.
Thursday
Showers likely, mainly between noon and 2pm. Patchy fog before 9am. Otherwise, cloudy, with a high near 59. Calm wind becoming southeast 5 to 7 mph. Chance of precipitation is 70%.
Thursday Night
Showers and possibly a thunderstorm before midnight, then showers between midnight and 3am, then showers and possibly a thunderstorm after 3am. Low around 55. Calm wind. Chance of precipitation is 90%.
Friday
Showers. High near 67. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 100%.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 47. West southwest wind around 6 mph becoming north northeast after midnight. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 61. North northeast wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 39. Calm wind.
Sunday
Mostly sunny, with a high near 63. Light and variable wind.
Sunday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 43. Calm wind.
Monday
A chance of showers. Mostly cloudy, with a high near 63. Calm wind becoming southeast 5 to 7 mph in the morning.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49. East southeast wind 3 to 6 mph.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62. South southeast wind 6 to 9 mph becoming west in the afternoon.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 41. West northwest wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 54. Northwest wind 5 to 8 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:
5:01 pm CST Nov 19, 2025
Forecast Valid:
7pm CST Nov 19, 2025-6pm CST Nov 26, 2025
 
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