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Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

66°F

19°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 25 Jun 3:52 am CDT
Extended Forecast for

2 Miles SSW Pomona IL

Flood Watch June 25, 04:00pm until June 27, 07:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 70. Light and variable wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 72. South southwest wind 5 to 9 mph. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind around 6 mph.

    Low: 74 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 93. South southwest wind 6 to 10 mph.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 76. South southwest wind 5 to 10 mph.

    Low: 76 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 71. Calm wind.
Thursday
Mostly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 70. Light and variable wind becoming south southwest around 5 mph after midnight. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 72. South southwest wind 5 to 9 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. South wind around 6 mph.
Sunday
Sunny, with a high near 93. South southwest wind 6 to 10 mph.
Sunday Night
Clear, with a low around 76. South southwest wind 5 to 10 mph.
Monday
Sunny, with a high near 95. South southwest wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 77. South wind 3 to 8 mph.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 77. South wind around 6 mph becoming calm in the evening.
Wednesday
Sunny and hot, with a high near 97. Light south southwest wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Pomona IL
 37.62°N 89.38°W
Last Update:
2:36 am CDT Jun 25, 2026
Forecast Valid:
3am CDT Jun 25, 2026-6pm CDT Jul 1, 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