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

83°F

28°C

Humidity 75%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 4 Sep 8:15 pm CDT
Extended Forecast for

Rosiclare IL

Extreme Heat Warning September 4, 08:23pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 4, 08:23pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy through mid morning, then gradual clearing, with a high near 91. North northeast wind 3 to 7 mph.

    High: 91 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93. Calm wind becoming south around 5 mph.

    High: 93 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Saturday Night
Mostly clear, with a low around 73. Calm wind.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 91. North northeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 64. North northeast wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 90. Calm wind becoming east northeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 66. Calm wind.
Tuesday
Sunny, with a high near 93. Calm wind becoming south around 5 mph.
Tuesday Night
Clear, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny and hot, with a high near 97. South southwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 73. Light south southwest wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 93. West southwest wind around 6 mph becoming northwest in the afternoon.
Thursday Night
Mostly clear, with a low around 67. Calm wind.
Friday
A slight chance of showers. Sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rosiclare IL
 37.42°N 88.35°W
Last Update:
6:46 pm CDT Sep 4, 2026
Forecast Valid:
8pm CDT Sep 4, 2026-6pm CDT Sep 11, 2026
 
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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