Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

43°F

6°C

Humidity 71%
Wind Speed S 5 mph
Barometer 30.21 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 2 Nov 5:50 pm CST
Extended Forecast for

3 Miles NNW Troy IL

  • Tonight

    Tonight: Clear, with a low around 38. South wind 5 to 7 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 5 to 9 mph becoming northwest in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South wind 9 to 14 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after midnight.  Mostly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 38. South wind 5 to 7 mph.
Monday
Sunny, with a high near 64. Southwest wind 5 to 9 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 39. Light and variable wind.
Tuesday
Mostly sunny, with a high near 68. South wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 50. South wind 9 to 14 mph.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 66.
Thursday Night
A 40 percent chance of showers after midnight. Mostly cloudy, with a low around 53.
Friday
A 30 percent chance of showers before noon. Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Troy IL
 38.77°N 89.91°W (Elev. 551 ft)
4:36 pm CST Nov 2, 2025
6pm CST Nov 2, 2025-6pm CST Nov 9, 2025
 
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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