Significant Outbreak Of Severe Thunderstorms And Heavy Rain In The Plains Monday

A potent spring storm system is expected to produce severe thunderstorms on Monday in the central and southern Plains. Very large hail, damaging wind gusts, flash flooding, and large tornadoes are possible. The area most likely to experience significant tornadoes stretches from the Texas Hill Country through Oklahoma into southern Kansas. Residents should review severe weather safety here -> Read More >

Hazardous Weather Conditions

Current conditions at

Southern Illinois Airport (KMDH)

Lat: 37.78°NLon: 89.25°WElev: 400ft.

Fair

67°F

19°C

Humidity 68%
Wind Speed W 6 mph
Barometer 29.89 in (1011.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 19 May 8:52 pm CDT
Extended Forecast for

2 Miles SW Alto Pass IL

Flood Warning until further notice
Click here for hazard details and duration
Flood Warning until further notice
  •  
    Flood Warning until further notice

    NOW until further notice

    Flood Warning

  • Tonight

    Tonight: Mostly clear, with a low around 56. West northwest wind 5 to 7 mph.

    Mostly Clear

    Low: 56 °F

  • Monday

    Monday: Sunny, with a high near 72. North northwest wind around 6 mph.

    Sunny

    High: 72 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 55. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.

    Partly Cloudy

    Low: 55 °F

  • Tuesday

    Tuesday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 79. East wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    T-storms

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. South wind 9 to 14 mph.  Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    Low: 66 °F

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 83. South southwest wind around 11 mph, with gusts as high as 18 mph.

    Slight Chance
    Showers

    High: 83 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 69. South wind around 8 mph.

    Partly Cloudy

    Low: 69 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South southwest wind 7 to 9 mph.

    Mostly Sunny

    High: 87 °F

Detailed Forecast

Tonight
Mostly clear, with a low around 56. West northwest wind 5 to 7 mph.
Monday
Sunny, with a high near 72. North northwest wind around 6 mph.
Monday Night
Partly cloudy, with a low around 55. Northeast wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 79. East wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. South wind 9 to 14 mph. Chance of precipitation is 70%.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. South southwest wind around 11 mph, with gusts as high as 18 mph.
Wednesday Night
Partly cloudy, with a low around 69. South wind around 8 mph.
Thursday
Mostly sunny, with a high near 87. South southwest wind 7 to 9 mph.
Thursday Night
Mostly clear, with a low around 67. South wind around 8 mph.
Friday
Sunny, with a high near 87. South southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 68. South southwest wind 7 to 9 mph.
Saturday
A slight chance of showers. Mostly sunny, with a high near 86. Southwest wind around 9 mph.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 67. Southwest wind around 7 mph.
Sunday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 82. South southwest wind 7 to 10 mph.
Click Map For Forecast
Point Forecast:
2 Miles SW Alto Pass IL
 37.55°N 89.35°W
9:28 pm CDT May 19, 2019
9pm CDT May 19, 2019-6pm CDT May 26, 2019
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database