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.

Overcast

57°F

14°C

Humidity 39%
Wind Speed SE 8 mph
Barometer 29.94 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 18 Nov 4:55 am CST
Extended Forecast for

5 Miles ESE Simpson IL

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 55. South wind around 7 mph.

    Low: 55 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 68 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Light northwest wind.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.

    Low: 49 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers. High near 63. Calm wind becoming south around 6 mph. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after midnight. Low around 55. Calm wind. Chance of precipitation is 90%.

    Low: 55 °F

    Showers

  • Friday

    Friday: Showers. Mostly cloudy, with a high near 66. Calm wind becoming south 5 to 7 mph in the morning.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. North wind 3 to 5 mph.

    Low: 46 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 55. South wind around 7 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 68. South southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 11pm. Mostly cloudy, with a low around 52. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 64. Light northwest wind.
Wednesday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 49. Calm wind.
Thursday
Showers. High near 63. Calm wind becoming south around 6 mph. Chance of precipitation is 80%.
Thursday Night
Showers, with thunderstorms also possible after midnight. Low around 55. Calm wind. Chance of precipitation is 90%.
Friday
Showers. Mostly cloudy, with a high near 66. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 46. North wind 3 to 5 mph.
Saturday
A slight chance of showers before noon. Mostly sunny, with a high near 60. North wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 39. Calm wind.
Sunday
Sunny, with a high near 61. Light west southwest wind.
Sunday Night
Partly cloudy, with a low around 41. Calm wind.
Monday
A slight chance of showers. Partly sunny, with a high near 61. Calm wind becoming south around 6 mph in the morning.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Simpson IL
 37.46°N 88.68°W
Last Update:
3:16 am CST Nov 18, 2025
Forecast Valid:
5am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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