National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

60°F

16°C

Humidity 57%
Wind Speed W 3 mph
Barometer 29.91 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 5 Nov 5:35 pm CST
Extended Forecast for

4 Miles ENE Simpson IL

  • Tonight

    Tonight: Increasing clouds, with a low around 46. Northwest wind 3 to 6 mph.

    Low: 46 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 56 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Areas of frost after 1am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Clear
    then Areas
    Frost

  • Saturday

    Saturday: Widespread frost before 8am. Otherwise, sunny, with a high near 55. North wind around 5 mph becoming calm in the afternoon.

    High: 55 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. Calm wind.

    Low: 33 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59. Light and variable wind.

    High: 59 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am. Otherwise, clear, with a low around 36. Calm wind.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 7am. Otherwise, sunny, with a high near 65. Calm wind becoming southwest around 5 mph.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. Calm wind.

    Low: 40 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 46. Northwest wind 3 to 6 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 56. North wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Areas of frost after 1am. Otherwise, clear, with a low around 33. North wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Widespread frost, mainly after 4am. Otherwise, mostly clear, with a low around 33. Calm wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59. Light and variable wind.
Sunday Night
Patchy frost after 4am. Otherwise, clear, with a low around 36. Calm wind.
Monday
Patchy frost before 7am. Otherwise, sunny, with a high near 65. Calm wind becoming southwest around 5 mph.
Monday Night
Clear, with a low around 40. Calm wind.
Tuesday
Sunny, with a high near 66. Calm wind becoming west southwest around 5 mph.
Tuesday Night
Clear, with a low around 40. Calm wind.
Veterans Day
Sunny, with a high near 64. Calm wind becoming northwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 40. Calm wind.
Thursday
Sunny, with a high near 62. Calm wind becoming northwest around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Simpson IL
 37.5°N 88.68°W
Last Update:
4:21 pm CST Nov 5, 2026
Forecast Valid:
5pm CST Nov 5, 2026-6pm CST Nov 12, 2026
 
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