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Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

92°F

33°C

Humidity 60%
Wind Speed S 3 mph
Barometer 30.09 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index105°F (41°C)
Last update 1 Jul 1:15 pm CDT
Extended Forecast for

4 Miles E Simpson IL

Extreme Heat Warning July 1, 01:27pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 1, 01:27pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. Calm wind.

    Low: 75 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 96. Heat index values as high as 108. Calm wind.

    High: 96 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 95. Calm wind.

    High: 95 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind.

    High: 94 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 94. South southwest wind 3 to 5 mph.
Tonight
Clear, with a low around 75. Calm wind.
Thursday
Sunny, with a high near 96. Heat index values as high as 108. Calm wind.
Thursday Night
Mostly clear, with a low around 76. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms before 1pm. Sunny, with a high near 95. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Independence Day
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 74. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind.
Sunday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Calm wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Simpson IL
 37.48°N 88.68°W
Last Update:
1:21 pm CDT Jul 1, 2026
Forecast Valid:
1pm CDT Jul 1, 2026-6pm CDT Jul 7, 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