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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

2°C

36°F

Humidity 52%
Wind Speed SE 22 km/h
Barometer 30.18 in
Dewpoint -7°C (19°F)
Visibility 16 km
Wind Chill-3°C (27°F)
Last update 8 Feb 11:50 am CST
Extended Forecast for

3 Miles NE Brighton IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 6. Southeast wind 16 to 23 km/h, with gusts as high as 34 km/h.

    High: 6 °C

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around -3. East wind 8 to 14 km/h.

    Low: -3 °C

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 11. East wind 5 to 11 km/h becoming south in the afternoon.

    High: 11 °C

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 3. South wind 13 to 16 km/h becoming west after midnight.

    Low: 3 °C

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 13. West wind 11 to 14 km/h becoming north in the afternoon.

    High: 13 °C

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 0.

    Low: 0 °C

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 9.

    High: 9 °C

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around -1.

    Low: -1 °C

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 7.

    High: 7 °C

    Chance Rain

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 6. Southeast wind 16 to 23 km/h, with gusts as high as 34 km/h.
Tonight
Partly cloudy, with a low around -3. East wind 8 to 14 km/h.
Monday
Mostly sunny, with a high near 11. East wind 5 to 11 km/h becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 3. South wind 13 to 16 km/h becoming west after midnight.
Tuesday
Mostly sunny, with a high near 13. West wind 11 to 14 km/h becoming north in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 9.
Wednesday Night
Mostly cloudy, with a low around -1.
Thursday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 7.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around -2.
Friday
A 20 percent chance of rain. Partly sunny, with a high near 8.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around -2.
Saturday
A 40 percent chance of rain. Mostly sunny, with a high near 7.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Brighton IL
 39.06°N 90.1°W (Elev. 600 m)
Last Update:
10:51 am CST Feb 8, 2026
Forecast Valid:
12pm CST Feb 8, 2026-6pm CST Feb 14, 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