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.

Light Rain

65°F

18°C

Humidity 96%
Wind Speed N 7 mph
Barometer 30.13 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 20 May 5:35 am CDT
Extended Forecast for

New Haven IL

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 66. North wind around 5 mph. Chance of precipitation is 70%.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Steady temperature around 65. North wind 7 to 10 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. North northeast wind 5 to 9 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 74. East northeast wind 7 to 9 mph.

    High: 74 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 59. East northeast wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 59 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. East wind 6 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 90%.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Southwest wind around 6 mph.

    High: 82 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a steady temperature around 66. North wind around 5 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Steady temperature around 65. North wind 7 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 55. North northeast wind 5 to 9 mph.
Thursday
Mostly cloudy, with a high near 74. East northeast wind 7 to 9 mph.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 59. East northeast wind 6 to 8 mph. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 76. East wind 6 to 9 mph becoming south southeast in the afternoon. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 63. South wind 5 to 7 mph becoming west southwest after midnight. Chance of precipitation is 70%.
Saturday
A chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 82. Southwest wind around 6 mph.
Saturday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 64. Calm wind.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Calm wind becoming south southwest around 5 mph.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Calm wind.
Memorial Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Calm wind becoming south southeast around 6 mph in the morning.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. South southeast wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. South southeast wind 5 to 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
New Haven IL
 37.9°N 88.12°W
Last Update:
3:01 am CDT May 20, 2026
Forecast Valid:
5am CDT May 20, 2026-6pm CDT May 26, 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