


Hazardous Weather Conditions
Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Overcast
73°F
23°C
Humidity | 94% |
Wind Speed | N 5 mph |
Barometer | 29.98 in |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Last update | 16 Jun 10:53 am CDT |
Extended Forecast for
Alto Pass IL
Flood Watch until June 17, 12:00am
NOW until 12:00am Tue
Flood Watch
Today
High: 80 °F
T-storms
Tonight
Low: 70 °F
Chance
T-stormsTuesday
High: 85 °F
Slight Chance
Showers then
Slight Chance
T-stormsTuesday Night
Low: 73 °F
Partly Cloudy
Wednesday
High: 87 °F
Partly Sunny
then Chance
T-stormsWednesday Night
Low: 70 °F
Showers
LikelyJuneteenth
High: 84 °F
Mostly Sunny
Thursday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 80. South wind 3 to 6 mph. Chance of precipitation is 90%.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 70. Southeast wind 3 to 5 mph. Chance of precipitation is 50%.
Tuesday
A slight chance of showers before 7am, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 85. South southwest wind 5 to 7 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 73. South wind 6 to 9 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 70. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Juneteenth
Mostly sunny, with a high near 84. Northwest wind around 6 mph.
Thursday Night
Mostly clear, with a low around 68. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Friday Night
Clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 91. South southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Saturday Night
Mostly clear, with a low around 75. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 91. South wind 6 to 9 mph.
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ABOUT THIS FORECAST
Point Forecast:
Alto Pass IL
37.57°N 89.32°W
37.57°N 89.32°W
11:16 am CDT Jun 16, 2025
11am CDT Jun 16, 2025-6pm CDT Jun 22, 2025