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.

Mostly Cloudy

73°F

23°C

Humidity 72%
Wind Speed S 6 mph
Barometer 29.92 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 May 5:55 am CDT
Extended Forecast for

5 Miles ESE Simpson IL

  • Today

    Today: A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 66. South southeast wind 3 to 7 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 8 to 13 mph, with gusts as high as 25 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71. South wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 7 mph becoming calm in the evening.

    Low: 65 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. North northwest wind 5 to 7 mph.

    High: 77 °F

    Showers
    Likely

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then a slight chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 86. South southwest wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Tonight
Partly cloudy, with a low around 66. South southeast wind 3 to 7 mph.
Sunday
Sunny, with a high near 88. South wind 5 to 11 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 69. South wind around 8 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind 8 to 13 mph, with gusts as high as 25 mph.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 71. South wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. South southwest wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 5 to 7 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. North northwest wind 5 to 7 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. North northeast wind 3 to 6 mph.
Thursday
A slight chance of showers. Partly sunny, with a high near 75. Northeast wind around 7 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 56. North northeast wind around 5 mph becoming calm in the evening.
Friday
A slight chance of showers. Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Simpson IL
 37.46°N 88.68°W
Last Update:
5:26 am CDT May 16, 2026
Forecast Valid:
6am CDT May 16, 2026-6pm CDT May 22, 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