


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Mostly Cloudy
86°F
30°C
Humidity | 70% |
Wind Speed | E 5 mph |
Barometer | 30.00 in |
Dewpoint | 75°F (24°C) |
Visibility | 10.00 mi |
Heat Index | 95°F (35°C) |
Last update | 15 Jul 12:50 pm CDT |
Extended Forecast for
Brighton IL
This Afternoon
High: 87 °F
Chance
T-stormsTonight
Low: 71 °F
Slight Chance
T-storms then
Partly CloudyWednesday
High: 93 °F
Slight Chance
Showers then
Chance
T-stormsWednesday Night
Low: 73 °F
Chance
T-stormsThursday
High: 86 °F
Mostly Sunny
then Chance
T-stormsThursday Night
Low: 69 °F
Chance
T-storms then
Chance
ShowersFriday
High: 84 °F
Mostly Cloudy
then Chance
T-stormsFriday Night
Low: 71 °F
Slight Chance
T-stormsSaturday
High: 90 °F
Chance
T-storms
Detailed Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly cloudy, with a high near 87. South wind around 6 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. South wind 3 to 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Southwest wind around 7 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. West wind 6 to 8 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 69.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 73.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Brighton IL
39.04°N 90.13°W (Elev. 650 ft)
39.04°N 90.13°W (Elev. 650 ft)
12:21 pm CDT Jul 15, 2025
1pm CDT Jul 15, 2025-6pm CDT Jul 21, 2025