


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
71°F
22°C
Humidity | 99% |
Wind Speed | Calm |
Barometer | 30.04 in |
Dewpoint | 71°F (22°C) |
Visibility | 10.00 mi |
Last update | 14 Jul 12:15 am CDT |
Extended Forecast for
Bethalto IL
Overnight
Low: 68 °F
Patchy Fog
Monday
High: 85 °F
Patchy Fog
then Mostly
SunnyMonday Night
Low: 71 °F
Mostly Cloudy
Tuesday
High: 89 °F
Partly Sunny
then Chance
T-stormsTuesday Night
Low: 72 °F
Slight Chance
T-stormsWednesday
High: 91 °F
Chance
T-stormsWednesday Night
Low: 73 °F
Chance
T-stormsThursday
High: 91 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 72 °F
Chance
T-storms
Detailed Forecast
Overnight
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 68. Light and variable wind.
Monday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming southeast around 5 mph.
Monday Night
Mostly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 87.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Bethalto IL
38.88°N 90.02°W (Elev. 499 ft)
38.88°N 90.02°W (Elev. 499 ft)
10:37 pm CDT Jul 13, 2025
12am CDT Jul 14, 2025-6pm CDT Jul 20, 2025