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Current conditions at
Southern Illinois Airport (KMDH)
Lat: 37.78°NLon: 89.25°WElev: 400ft.
Fair
70°F
21°C
| Humidity | 90% |
| Wind Speed | E 6 mph |
| Barometer | 29.96 in (1014.0 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 16 Jun 12:52 am CDT |
Extended Forecast for
Saint Johns IL
Overnight
Low: 68 °F
Mostly Clear
Sunday
High: 97 °F
Hot
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Chance
T-stormsMonday Night
Low: 73 °F
Slight Chance
T-stormsTuesday
High: 85 °F
Chance
ShowersTuesday Night
Low: 72 °F
Mostly Cloudy
Juneteenth
High: 86 °F
Slight Chance
ShowersWednesday Night
Low: 71 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 68. East southeast wind around 6 mph.
Sunday
Sunny and hot, with a high near 97. South southwest wind 5 to 11 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 5 to 8 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. South wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 85. South wind 7 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, with a low around 72. South southeast wind 5 to 8 mph becoming calm after midnight.
Juneteenth
A slight chance of showers before 1pm. Partly sunny, with a high near 86. South southeast wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 71. South southeast wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 93. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 71. Light southeast wind.
Friday
Sunny, with a high near 95. Calm wind becoming south southwest around 6 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Light south wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming south southwest 5 to 7 mph in the morning.
ABOUT THIS FORECAST
Point Forecast:
Saint Johns IL
38.03°N 89.21°W
38.03°N 89.21°W
10:32 pm CDT Jun 15, 2024
1am CDT Jun 16, 2024-6pm CDT Jun 22, 2024
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
