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.

Light Snow

15°F

-9°C

Humidity 76%
Wind Speed NW 9 mph
Barometer 30.50 in
Dewpoint 8°F (-13°C)
Visibility 4.00 mi
Wind Chill3°F (-16°C)
Last update 30 Jan 11:15 pm CST
Extended Forecast for

Troy ILSimilar City Names

  • Tonight

    Tonight: A chance of flurries before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 5. North wind around 10 mph, with gusts as high as 21 mph.

    Low: 5 °F

    Chance
    Flurries

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 19 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 2. Northwest wind 3 to 7 mph.

    Low: 2 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 28. South wind 3 to 8 mph.

    High: 28 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19. South wind around 6 mph becoming west after midnight.

    Low: 19 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.

    Low: 23 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A chance of flurries before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 5. North wind around 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny and cold, with a high near 19. Wind chill values as low as -10. Northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 2. Northwest wind 3 to 7 mph.
Sunday
Partly sunny, with a high near 28. South wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 19. South wind around 6 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 37.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
A slight chance of snow before noon, then a chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow before midnight. Mostly cloudy, with a low around 23. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 31.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 26.
Friday
Mostly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Troy ILSimilar City Names
 38.72°N 89.89°W (Elev. 551 ft)
Last Update:
9:26 pm CST Jan 30, 2026
Forecast Valid:
11pm CST Jan 30, 2026-6pm CST Feb 6, 2026
 
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