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

74°F

23°C

Humidity 99%
Wind Speed SE 5 mph
Barometer 29.98 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Last update 14 Aug 3:55 am CDT
Extended Forecast for

New Haven IL

Extreme Heat Warning August 14, 04:16am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 14, 04:16am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 3 to 6 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. South southwest wind 3 to 6 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. West wind 5 to 7 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 89. North wind 3 to 8 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 109. South southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 75. Light south wind.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 107. Southwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 76. South southwest wind 3 to 6 mph.
Sunday
Sunny and hot, with a high near 98. West wind 5 to 7 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 89. North wind 3 to 8 mph.
Monday Night
Partly cloudy, with a low around 67. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 88. Light north northeast wind.
Tuesday Night
Mostly clear, with a low around 67. Calm wind.
Wednesday
Mostly sunny, with a high near 94. Calm wind becoming south southwest 5 to 8 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind around 6 mph becoming north northwest after midnight.
Thursday
Mostly sunny, with a high near 90. North northwest wind 5 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Haven IL
 37.9°N 88.12°W
Last Update:
3:31 am CDT Aug 14, 2026
Forecast Valid:
4am CDT Aug 14, 2026-6pm CDT Aug 20, 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