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.

Mostly Cloudy

52°F

11°C

Humidity 47%
Wind Speed W 13 mph
Barometer 30.09 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 1 Nov 3:45 pm CDT
Extended Forecast for

Brighton IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northwest wind around 9 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 20 percent chance of rain before 8pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.

    Low: 30 °F

    Slight Chance
    Rain then
    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 55 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, clear, with a low around 36. South wind 3 to 6 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 63. South wind 6 to 10 mph becoming west in the afternoon.

    High: 63 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 51. Northwest wind around 9 mph.
Tonight
A 20 percent chance of rain before 8pm. Widespread frost, mainly after 3am. Otherwise, partly cloudy, with a low around 30. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 55. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Areas of frost after 4am. Otherwise, clear, with a low around 36. South wind 3 to 6 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 63. South wind 6 to 10 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 66.
Thursday Night
A 20 percent chance of rain. Partly cloudy, with a low around 50.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 65.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brighton IL
 39.04°N 90.16°W (Elev. 653 ft)
Last Update:
1:56 pm CDT Nov 1, 2025
Forecast Valid:
4pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation