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 with Haze

49°F

9°C

Humidity 52%
Wind Speed SE 3 mph
Barometer 30.19 in
Dewpoint 32°F (0°C)
Visibility 4.00 mi
Last update 25 Mar 12:15 am CDT
Extended Forecast for

Muddy IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 44. Calm wind.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. South wind 6 to 11 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph.

    Low: 46 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 55. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. North northeast wind 5 to 10 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58. East wind 3 to 6 mph.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 44. Calm wind.
Wednesday
Mostly sunny, with a high near 75. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 61. South wind 6 to 11 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 86. South southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 46. South southwest wind around 14 mph becoming north northwest after midnight. Winds could gust as high as 23 mph.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 55. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Friday Night
Mostly clear, with a low around 31. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 58. East wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 37. Calm wind.
Sunday
Mostly sunny, with a high near 66. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 51. South wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 77. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 58. South wind around 9 mph, with gusts as high as 18 mph.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Muddy IL
 37.76°N 88.52°W
Last Update:
9:21 pm CDT Mar 24, 2026
Forecast Valid:
12am CDT Mar 25, 2026-6pm CDT Mar 31, 2026
 
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