Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
81°F
27°C
| Humidity | 62% |
| Wind Speed | S 14 mph |
| Barometer | 30.03 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 83°F (28°C) |
| Last update | 20 Jun 9:50 am CDT |
Extended Forecast for
Maryville IL
Extreme Heat Watch June 21, 12:00pm until June 24, 09:00pm
Today
High: 91 °F
Mostly Sunny
Tonight
Low: 75 °F
Mostly Clear
Saturday
High: 96 °F
Sunny
Saturday Night
Low: 76 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Monday Night
Low: 76 °F
Partly Cloudy
Tuesday
High: 94 °F
Slight Chance
Showers
Detailed Forecast
Today
Mostly sunny, with a high near 91. South wind 8 to 11 mph.
Tonight
Mostly clear, with a low around 75. South wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 96. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 76. South wind 7 to 11 mph.
Sunday
Sunny, with a high near 95. South wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers before 1pm. Sunny, with a high near 94.
Tuesday Night
Partly cloudy, with a low around 76.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Wednesday Night
Partly cloudy, with a low around 75.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Additional Forecasts and Information
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Point Forecast:
Maryville IL
38.72°N 89.94°W (Elev. 554 ft)
38.72°N 89.94°W (Elev. 554 ft)
8:22 am CDT Jun 20, 2025
10am CDT Jun 20, 2025-6pm CDT Jun 26, 2025
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