National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 Chill33°F (1°C)
Last update 3 Mar 1:15 am CST
Extended Forecast for

Brighton IL

  • Overnight

    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%.

    Low: 37 °F

    Showers and
    Patchy Fog

  • Tuesday

    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%.

    High: 53 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    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%.

    Low: 46 °F

    Showers and
    Patchy Fog

  • Wednesday

    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%.

    High: 60 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 52. South wind 6 to 8 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Showers

  • Thursday

    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%.

    High: 66 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Breezy. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 56. Chance of precipitation is 80%.

    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.
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ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.13°W (Elev. 650 ft)
Last Update:
12:26 am CST Mar 3, 2026
Forecast Valid:
1am CST Mar 3, 2026-6pm CDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation