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.

Fair

63°F

17°C

Humidity 94%
Wind Speed NE 6 mph
Barometer 30.09 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 May 5:55 am CDT
Extended Forecast for

Muddy IL

  • Memorial Day

    Memorial Day: Partly sunny, with a high near 81. Calm wind becoming east northeast 5 to 7 mph in the morning.

    High: 81 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 62. Light east northeast wind.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 66. Light east wind.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. East wind 3 to 6 mph.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Memorial Day
Partly sunny, with a high near 81. Calm wind becoming east northeast 5 to 7 mph in the morning.
Tonight
Mostly cloudy, with a low around 62. Light east northeast wind.
Tuesday
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 60%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 66. Light east wind.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. East wind 3 to 6 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East northeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East northeast wind 5 to 9 mph.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 61. North northeast wind 5 to 8 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 77. North northeast wind 6 to 9 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:
5:56 am CDT May 25, 2026
Forecast Valid:
6am CDT May 25, 2026-6pm CDT May 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