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

Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

80°F

27°C

Humidity 71%
Wind Speed S 13 mph
Barometer 29.98 in (1014.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 Jun 10:52 pm CDT
Extended Forecast for

Murphysboro IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 75. South wind 10 to 13 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    Low: 75 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 91. South wind 11 to 17 mph, with gusts as high as 26 mph.

    Chance
    T-storms

    High: 91 °F

  • Friday
    Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind 9 to 11 mph, with gusts as high as 18 mph.

    Slight Chance
    T-storms

    Low: 76 °F

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Chance
    T-storms

    High: 92 °F

  • Saturday
    Night

    Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    Low: 75 °F

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. South southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Chance
    Showers then
    Chance
    T-storms

    High: 90 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Chance
    Showers

    Low: 72 °F

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. South wind 5 to 9 mph.

    Showers
    Likely

    High: 89 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.

    Chance
    T-storms

    Low: 71 °F

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 75. South wind 10 to 13 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 10am. Mostly cloudy, with a high near 91. South wind 11 to 17 mph, with gusts as high as 26 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76. South wind 9 to 11 mph, with gusts as high as 18 mph.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 92. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 75. South wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday
A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. South southwest wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 40%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. South wind 5 to 9 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. South wind around 5 mph becoming calm in the evening.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Calm wind becoming south southwest 5 to 7 mph in the morning.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Light south southwest wind.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 88. Calm wind becoming south southwest around 6 mph in the morning.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light southwest wind.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 85. Southwest wind 3 to 7 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Murphysboro IL
 37.77°N 89.34°W
Last Update:
11:29 pm CDT Jun 24, 2021
Forecast Valid:
11pm CDT Jun 24, 2021-6pm CDT Jul 1, 2021
 
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Additional Resources

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Chance of Precipitation