Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
34°F
1°C
| Humidity | 56% |
| Wind Speed | S 9 mph |
| Barometer | 29.89 in |
| Dewpoint | 19°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 5 Dec 7:50 pm CST |
Extended Forecast for
Brighton IL
Tonight

Low: 26 °F
Becoming
CloudySaturday

High: 36 °F
Partly Sunny
Saturday Night
Low: 28 °F
Slight Chance
Snow then
Chance
Rain/SnowSunday
High: 37 °F
Chance
Rain/Snow
then Slight
Chance SnowSunday Night
Low: 14 °F
Slight Chance
Snow then
Mostly CloudyMonday

High: 29 °F
Mostly Sunny
Monday Night

Low: 20 °F
Partly Cloudy
Tuesday

High: 43 °F
Mostly Sunny
Tuesday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
Tonight
Partly cloudy during the early evening, then becoming cloudy, with a low around 26. South wind 5 to 8 mph becoming west after midnight.
Saturday
Partly sunny, with a high near 36. Light and variable wind becoming southeast 5 to 8 mph in the afternoon.
Saturday Night
A chance of snow between 10pm and 2am, then a chance of rain after 2am. Mostly cloudy, with a low around 28. Southeast wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday
A chance of rain before 9am, then a chance of rain and snow between 9am and noon, then a slight chance of snow after noon. Mostly cloudy, with a high near 37. South wind 6 to 13 mph becoming north in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. North wind 6 to 11 mph.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
A 30 percent chance of rain, mainly after noon. Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 25.
Thursday
Mostly cloudy, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 28.
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)
4:46 pm CST Dec 5, 2025
7pm CST Dec 5, 2025-6pm CST Dec 12, 2025


