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

56°F

13°C

Humidity 38%
Wind Speed SE 7 mph
Barometer 29.96 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 18 Nov 2:35 am CST
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, with a steady temperature around 51. South southeast wind around 8 mph.

    Low: 51 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 68 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly before 9pm. Increasing clouds, with a low around 51. Southwest wind around 6 mph becoming calm in the evening.

    Low: 51 °F

    Chance
    Showers then
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 63. Light north wind.

    High: 63 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers. High near 63. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Low around 54. Light south southwest wind. Chance of precipitation is 80%.

    Low: 54 °F

    Showers

  • Friday

    Friday: Showers. Mostly cloudy, with a high near 65. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 65 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. North northeast wind around 6 mph.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Cloudy, with a steady temperature around 51. South southeast wind around 8 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
A 40 percent chance of showers, mainly before 9pm. Increasing clouds, with a low around 51. Southwest wind around 6 mph becoming calm in the evening.
Wednesday
Mostly cloudy, with a high near 63. Light north wind.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 48. Calm wind.
Thursday
Showers. High near 63. Calm wind becoming south around 6 mph in the morning. Chance of precipitation is 80%.
Thursday Night
Showers. Low around 54. Light south southwest wind. Chance of precipitation is 80%.
Friday
Showers. Mostly cloudy, with a high near 65. East southeast wind 5 to 8 mph becoming west northwest in the afternoon.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. North northeast wind around 6 mph.
Saturday
A slight chance of showers before noon. Mostly sunny, with a high near 60. North northeast wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 38. Calm wind.
Sunday
Sunny, with a high near 61. Calm wind becoming west southwest around 5 mph.
Sunday Night
Partly cloudy, with a low around 41. Light south southwest wind.
Monday
A slight chance of showers. Partly sunny, with a high near 61. South wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
Last Update:
1:56 am CST Nov 18, 2025
Forecast Valid:
2am CST Nov 18, 2025-6pm CST Nov 24, 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