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Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Overcast
81°F
27°C
| Humidity | 84% |
| Wind Speed | N 7 mph |
| Barometer | 29.89 in |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 87°F (31°C) |
| Last update | 27 Jun 12:50 pm CDT |
Extended Forecast for
Bethalto IL
Extreme Heat Watch June 28, 12:00pm until July 3, 12:00am
This Afternoon

High: 84 °F
Chance
T-stormsTonight
Low: 71 °F
Slight Chance
T-storms then
Chance
T-stormsSunday

High: 93 °F
Becoming
SunnySunday Night

Low: 75 °F
Mostly Clear
Monday

High: 95 °F
Sunny
Monday Night

Low: 76 °F
Mostly Clear
Tuesday

High: 97 °F
Hot
Tuesday Night

Low: 76 °F
Clear
Wednesday

High: 96 °F
Sunny
Detailed Forecast
This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Southwest wind around 6 mph.
Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Partly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 93. Heat index values as high as 106. South wind 6 to 11 mph.
Sunday Night
Mostly clear, with a low around 75. South wind 7 to 11 mph.
Monday
Sunny, with a high near 95. South wind 7 to 14 mph.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 97.
Tuesday Night
Clear, with a low around 76.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 76.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bethalto IL
38.88°N 90.05°W (Elev. 525 ft)
38.88°N 90.05°W (Elev. 525 ft)
11:36 am CDT Jun 27, 2026
12pm CDT Jun 27, 2026-6pm CDT Jul 3, 2026



