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

Excessive Rainfall and Potential Tropical Cyclone in the South; Severe Thunderstorms in the Midwest

Excessive rainfall may produce locally considerable flash flooding over parts of the northwestern Gulf Coast, lower Mississippi River Valley, and Deep South through Thursday. Potential Tropical Cyclone One is forecast to become a tropical storm (Arthur) as it moves along or just off the northwestern Gulf coast through Wednesday. An outbreak of severe weather is forecast in the Midwest Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg-Raleigh Airport (KHSB)

Lat: 37.81°NLon: 88.54°WElev: 387ft.

Fair

60°F

16°C

Humidity 100%
Wind Speed Calm
Barometer 29.74 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 17 Jun 5:15 am CDT
Extended Forecast for

Junction IL

Wind Advisory June 17, 01:00pm until June 17, 08:00pm
Click here for hazard details and duration
Wind Advisory

  • Today

    Today: Sunny, with a high near 89. Breezy, with a light south wind becoming south southwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 73. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

    Low: 73 °F

    Slight Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers, mainly between 8am and 11am. Mostly sunny, with a high near 86. West southwest wind 7 to 9 mph becoming northwest in the afternoon.

    High: 86 °F

    Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light south wind.

    Low: 67 °F

    Mostly Clear
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. South wind 6 to 14 mph, with gusts as high as 22 mph.

    High: 86 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 89. Breezy, with a light south wind becoming south southwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph.
Tonight
Showers and thunderstorms likely before 4am, then a chance of showers. Increasing clouds, with a low around 73. Breezy, with a south southwest wind 13 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers, mainly between 8am and 11am. Mostly sunny, with a high near 86. West southwest wind 7 to 9 mph becoming northwest in the afternoon.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 63. North northwest wind around 5 mph becoming calm in the evening.
Juneteenth
Mostly sunny, with a high near 83. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 62. Calm wind.
Saturday
Sunny, with a high near 86. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Light south wind.
Sunday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. South wind 6 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 70. Southwest wind 11 to 14 mph, with gusts as high as 20 mph.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. West southwest wind 11 to 13 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. North wind 3 to 8 mph.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. North wind around 6 mph.
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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:
1:46 am CDT Jun 17, 2026
Forecast Valid:
5am CDT Jun 17, 2026-6pm CDT Jun 23, 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