Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fog
38°F
3°C
| Humidity | 97% |
| Wind Speed | E 7 mph |
| Barometer | 30.14 in |
| Dewpoint | 38°F (3°C) |
| Visibility | 0.50 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 3 Mar 1:15 am CST |
Extended Forecast for
Brighton IL
Overnight

Low: 37 °F
Showers and
Patchy FogTuesday

High: 53 °F
Showers and
Patchy FogTuesday Night

Low: 46 °F
Showers and
Patchy FogWednesday

High: 60 °F
Showers and
Patchy FogWednesday Night

Low: 52 °F
Showers
Thursday
High: 66 °F
Showers
Likely then
Chance
ShowersThursday Night
Low: 54 °F
Chance
Showers then
Showers
LikelyFriday

High: 77 °F
Chance
Showers and
BreezyFriday Night
Low: 56 °F
Chance
Showers then
Showers
Detailed Forecast
Overnight
A chance of showers, then showers and possibly a thunderstorm after 3am. Patchy fog. Low around 37. East wind around 6 mph. Chance of precipitation is 100%.
Tuesday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. Patchy fog between 4pm and 5pm. High near 53. East wind around 7 mph. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Patchy fog before 1am. Low around 46. East wind 7 to 9 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before noon, then showers between noon and 3pm, then showers and possibly a thunderstorm after 3pm. Patchy fog between 9am and noon. High near 60. East wind around 8 mph becoming south in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 52. South wind 6 to 8 mph. Chance of precipitation is 90%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
Thursday Night
Showers likely, mainly after midnight. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 50%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 56. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
A 20 percent chance of showers. Sunny, with a high near 71.
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)
12:26 am CST Mar 3, 2026
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026



