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.

Partly Cloudy

45°F

7°C

Humidity 53%
Wind Speed NW 16 G 23 mph
Barometer 30.11 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 10 Jan 1:45 pm CST
Extended Forecast for

Troy ILSimilar City Names

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. West wind 8 to 18 mph, with gusts as high as 26 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Rain and snow showers likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Blustery, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 26 °F

    Blustery.
    Rain/Snow
    Likely then
    Chance
    Flurries

  • Sunday

    Sunday: Sunny, with a high near 38. Northwest wind 7 to 16 mph, with gusts as high as 31 mph.

    High: 38 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 26. Light and variable wind becoming southwest 5 to 7 mph after midnight.

    Low: 26 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 50. Southwest wind 6 to 10 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. West wind 8 to 18 mph, with gusts as high as 26 mph.
Tonight
Rain and snow showers likely before midnight, then a chance of flurries between midnight and 5am. Mostly cloudy, then gradually becoming mostly clear, with a low around 26. Blustery, with a northwest wind 7 to 12 mph increasing to 15 to 20 mph in the evening. Winds could gust as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Sunday
Sunny, with a high near 38. Northwest wind 7 to 16 mph, with gusts as high as 31 mph.
Sunday Night
Clear, with a low around 26. Light and variable wind becoming southwest 5 to 7 mph after midnight.
Monday
Sunny, with a high near 50. Southwest wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 38.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 42.
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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:
1:01 pm CST Jan 10, 2026
Forecast Valid:
2pm CST Jan 10, 2026-6pm CST Jan 16, 2026
 
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