


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
78°F
26°C
Humidity | 83% |
Wind Speed | Calm |
Barometer | 30.08 in |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 80°F (27°C) |
Last update | 16 Aug 1:35 am CDT |
Extended Forecast for
3 Miles NE Brighton IL
Heat Advisory August 16, 01:47am until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Overnight
Low: 73 °F
Mostly Clear
Saturday
High: 95 °F
Sunny
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Monday Night
Low: 75 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Overnight
Mostly clear, with a low around 73. South wind around 6 mph.
Saturday
Sunny, with a high near 95. Heat index values as high as 102. South wind 5 to 7 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 3 to 6 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 101. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 3 to 5 mph.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 75.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 84.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NE Brighton IL
39.06°N 90.1°W (Elev. 600 ft)
39.06°N 90.1°W (Elev. 600 ft)
11:26 pm CDT Aug 15, 2025
1am CDT Aug 16, 2025-6pm CDT Aug 22, 2025