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.

Partly Cloudy

86°F

30°C

Humidity 55%
Wind Speed Calm
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Aug 1:55 pm CDT
Extended Forecast for

Junction IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. North northwest wind 3 to 5 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 66. Calm wind.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59. Light and variable wind.

    Low: 59 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Light and variable wind.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Light east wind.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the morning.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. North northwest wind 3 to 5 mph.
Tonight
Clear, with a low around 66. Calm wind.
Saturday
Sunny, with a high near 88. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 62. North northwest wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 84. Calm wind becoming north northwest 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 59. Light and variable wind.
Monday
Mostly sunny, with a high near 83. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 63. Light east wind.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming southeast around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Light southeast wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
Sunny, with a high near 89. Calm wind becoming north northwest around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Junction IL
 37.73°N 88.24°W
Last Update:
1:26 pm CDT Aug 21, 2026
Forecast Valid:
2pm CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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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