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.

Overcast

50°F

10°C

Humidity 88%
Wind Speed E 13 mph
Barometer 30.21 in
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Wind Chill45°F (7°C)
Last update 24 Dec 9:45 am CST
Extended Forecast for

2 Miles SSE Troy IL

  • Today

    Today: Cloudy, with a high near 65. Southeast wind 8 to 10 mph.

    High: 65 °F

    Cloudy

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 8 mph becoming light and variable after midnight.

    Low: 54 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Light and variable wind becoming east around 6 mph in the morning.

    High: 64 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. East wind 6 to 9 mph becoming south after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. South wind 6 to 11 mph becoming northwest in the afternoon.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain
    then Chance
    Rain/Snow and
    Breezy

Detailed Forecast

Today
Cloudy, with a high near 65. Southeast wind 8 to 10 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 54. South wind 5 to 8 mph becoming light and variable after midnight.
Christmas Day
Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 64. Light and variable wind becoming east around 6 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 56. East wind 6 to 9 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 70. South wind 6 to 11 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Partly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A chance of rain before noon, then a chance of rain and snow. Mostly cloudy, with a high near 52. Breezy. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 27.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Partly sunny, with a high near 34.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Troy IL
 38.7°N 89.89°W (Elev. 551 ft)
Last Update:
9:51 am CST Dec 24, 2025
Forecast Valid:
10am CST Dec 24, 2025-6pm CST Dec 30, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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