Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fog/Mist

74°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 74°F (23°C)
Visibility 2.50 mi
Last update 26 Jul 1:15 am CDT
Extended Forecast for

Muddy IL

Heat Advisory July 26, 11:00am until July 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 10am and 11am.  Partly sunny, with a high near 94. Heat index values as high as 105. Light and variable wind.  Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. Calm wind.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms between 1pm and 2pm. Some of the storms could produce heavy rainfall.  Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind becoming south southwest 5 to 9 mph in the morning.  Chance of precipitation is 30%.

    High: 98 °F

    Mostly Sunny
    then Heavy
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 79. Southwest wind around 8 mph.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Northwest wind 5 to 10 mph.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 70. North wind 3 to 8 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 88. Calm wind becoming north northeast 5 to 8 mph in the morning.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 66. North wind around 5 mph becoming calm  in the evening.

    Low: 66 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 72. Calm wind.
Sunday
A slight chance of showers and thunderstorms between 10am and 11am. Partly sunny, with a high near 94. Heat index values as high as 105. Light and variable wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 77. Calm wind.
Monday
A chance of showers and thunderstorms between 1pm and 2pm. Some of the storms could produce heavy rainfall. Mostly sunny and hot, with a high near 98. Heat index values as high as 109. Calm wind becoming south southwest 5 to 9 mph in the morning. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 79. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 95. Northwest wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 70. North wind 3 to 8 mph.
Wednesday
Sunny, with a high near 88. Calm wind becoming north northeast 5 to 8 mph in the morning.
Wednesday Night
Clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 89. Calm wind becoming east northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 68. Calm wind.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. South southeast wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Muddy IL
 37.76°N 88.52°W
1:06 am CDT Jul 26, 2026
1am CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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