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

55°F

13°C

Humidity 77%
Wind Speed E 7 mph
Barometer 29.85 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 18 Nov 10:50 am CST
Extended Forecast for

2 Miles SSE Troy IL

  • Today

    Today: A 20 percent chance of rain and thunderstorms before 3pm. Mostly cloudy, with a high near 68. South wind 6 to 9 mph becoming north in the afternoon.

    High: 68 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. North wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 60. North wind around 5 mph becoming calm in the afternoon.

    High: 60 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 61. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 61 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm. Cloudy, with a low around 50. Chance of precipitation is 70%.

    Low: 50 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Rain

  • Friday Night

    Friday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain
    then Slight
    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain and thunderstorms before 3pm. Mostly cloudy, with a high near 68. South wind 6 to 9 mph becoming north in the afternoon.
Tonight
Mostly cloudy, with a low around 45. North wind 3 to 6 mph.
Wednesday
Mostly cloudy, with a high near 60. North wind around 5 mph becoming calm in the afternoon.
Wednesday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 48. Light and variable wind.
Thursday
Rain likely. Cloudy, with a high near 61. Southeast wind 3 to 8 mph. Chance of precipitation is 70%.
Thursday Night
Rain likely and possibly a thunderstorm. Cloudy, with a low around 50. Chance of precipitation is 70%.
Friday
Rain. High near 58. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 41.
Monday
A 20 percent chance of rain. Partly sunny, with a high near 61.
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:
7:26 am CST Nov 18, 2025
Forecast Valid:
11am CST Nov 18, 2025-6pm CST Nov 24, 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