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

48°F

9°C

Humidity 81%
Wind Speed NW 18 G 23 mph
Barometer 29.97 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 4:55 pm CDT
Extended Forecast for

Harrisburg IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Cloudy, with a steady temperature around 50. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 33. North northwest wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Sunny, with a high near 54. Northwest wind 3 to 7 mph.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 63. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. West northwest wind around 5 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. East northeast wind 6 to 8 mph becoming southeast in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. East southeast wind 6 to 9 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 70 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Cloudy, with a steady temperature around 50. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 33. North northwest wind 10 to 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 54. Northwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 41. South wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 28 mph.
Friday
Mostly sunny, with a high near 63. Southwest wind 11 to 16 mph, with gusts as high as 28 mph.
Friday Night
Partly cloudy, with a low around 36. West northwest wind around 5 mph becoming light and variable.
Saturday
Mostly sunny, with a high near 65. East northeast wind 6 to 8 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 51. East southeast wind 6 to 9 mph.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 34 mph.
Sunday Night
Rain showers likely before 1am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 28. Breezy, with a west northwest wind around 21 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 39. Northwest wind 16 to 18 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 19. Northwest wind 5 to 10 mph becoming light after midnight.
Tuesday
Mostly sunny, with a high near 43. Light and variable wind becoming west 5 to 7 mph in the morning.
Tuesday Night
A slight chance of rain and snow showers. Mostly cloudy, with a low around 31. South southeast wind around 6 mph.
Wednesday
A slight chance of showers. Mostly cloudy, with a high near 55. Southwest 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:
1:26 pm CDT Mar 11, 2026
Forecast Valid:
5pm CDT Mar 11, 2026-6pm CDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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