Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

51°F

11°C

Humidity 65%
Wind Speed NE 7 mph
Barometer 30.12 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 9 Jan 4:15 pm CST
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a steady temperature around 51. Light north northeast wind.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 4am.  Cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Cloudy then
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before noon.  Cloudy through mid morning, then gradual clearing, with a high near 49. Light west northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.

    High: 49 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. Northwest wind 8 to 13 mph becoming light west northwest  in the afternoon. Winds could gust as high as 23 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 34. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a steady temperature around 51. Light north northeast wind.
Tonight
A 30 percent chance of showers, mainly after 4am. Cloudy, with a low around 44. Calm wind.
Saturday
A 30 percent chance of showers before noon. Cloudy through mid morning, then gradual clearing, with a high near 49. Light west northwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 23 mph.
Saturday Night
Mostly clear, with a low around 27. West northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 39. Northwest wind 8 to 13 mph becoming light west northwest in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
Mostly clear, with a low around 24. Light and variable wind.
Monday
Sunny, with a high near 48. South southwest wind 5 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 34. South southwest wind 7 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 55. Southwest wind 10 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
A slight chance of showers after midnight. Mostly cloudy, with a low around 38. Southwest wind 6 to 10 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 45. Northwest wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 22. North northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 36. North northwest wind 5 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg IL
 37.74°N 88.55°W
3:16 pm CST Jan 9, 2026
4pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
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Additional Resources

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Hourly Weather Forecast

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