Monitoring Tsunami Impacts Across the Pacific; Air Quality Concerns; Dangerous Heat; Critical Fire Weather for the West

Tsunami impacts continue for portions of the Pacific basin. Wildfire smoke causes unhealthy air in Midwest to Great Lakes. Heat dome spans Mississippi Valley to Mid-Atlantic with excessive heat warnings and advisories. Critical fire weather in Great Basin to Pacific Northwest (dry thunderstorms). Cold front spawns severe storms/heavy rain in Central U.S. today, shifts to East Coast Thursday. Read More >

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

93°F

34°C

Humidity 50%
Wind Speed Calm
Barometer 29.97 in (1014.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 30 Jul 3:52 pm CDT
Extended Forecast for

Cobden IL

Extreme Heat Warning July 30, 04:19pm until July 30, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 30, 04:19pm until July 30, 08:00pm

    NOW until 8:00pm Wed

    Extreme Heat Warning

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73. Light and variable wind.

    Low: 73 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm.  Partly sunny, with a high near 86. Light north wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am.  Mostly cloudy, with a low around 68. North wind around 8 mph.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 81. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. North northeast wind 6 to 9 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Northeast wind around 8 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62. Northeast wind 3 to 6 mph.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Heat index values as high as 106. Light east wind.
Tonight
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light and variable wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 86. Light north wind increasing to 5 to 10 mph in the morning.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 68. North wind around 8 mph.
Friday
Partly sunny, with a high near 81. North northeast wind 8 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 62. North northeast wind 6 to 9 mph.
Saturday
Mostly sunny, with a high near 81. Northeast wind around 8 mph.
Saturday Night
Mostly clear, with a low around 62. Northeast wind 3 to 6 mph.
Sunday
Sunny, with a high near 85. East northeast wind 3 to 5 mph.
Sunday Night
A slight chance of showers after 1am. Partly cloudy, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light east southeast wind.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Cobden IL
 37.52°N 89.24°W
2:46 pm CDT Jul 30, 2025
4pm CDT Jul 30, 2025-6pm CDT Aug 5, 2025
 
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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