National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

44°F

7°C

Humidity 66%
Wind Speed NW 7 mph
Barometer 30.20 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 5 Apr 2:15 am CDT
Extended Forecast for

Harrisburg IL

  • Overnight

    Overnight: Mostly clear, with a low around 41. West northwest wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 67. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40. North northeast wind 5 to 7 mph.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Northeast wind around 8 mph.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. East wind around 5 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. East southeast wind 5 to 9 mph becoming south in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. South wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 41. West northwest wind around 6 mph.
Sunday
Sunny, with a high near 60. Northwest wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 39. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Calm wind becoming west northwest 5 to 8 mph in the morning.
Monday Night
Partly cloudy, with a low around 40. North northeast wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 57. Northeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 40. East wind around 5 mph.
Wednesday
Mostly sunny, with a high near 74. East southeast wind 5 to 9 mph becoming south in the afternoon.
Wednesday Night
Partly cloudy, with a low around 53. South wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 74. South wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 56. Light south wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. South southwest wind 3 to 7 mph.
Friday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind 3 to 5 mph.
Saturday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 79. South 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 88.55°W
Last Update:
1:26 am CDT Apr 5, 2026
Forecast Valid:
2am CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
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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