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.

Fair

72°F

22°C

Humidity 94%
Wind Speed Vrbl 5 mph
Barometer 29.87 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 16 Jun 8:50 pm CDT
Extended Forecast for

4 Miles NNE Troy IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Light southeast wind.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 11pm and midnight. Increasing clouds, with a low around 71. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms likely after 10am. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. Southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 86 °F

    Chance
    T-storms then
    Heavy Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. West wind 6 to 11 mph.

    Low: 68 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 68. Light southeast wind.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.
Tuesday Night
A slight chance of showers and thunderstorms between 11pm and midnight. Increasing clouds, with a low around 71. South wind around 7 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, then showers and thunderstorms likely after 10am. Some of the storms could produce heavy rainfall. Partly sunny, with a high near 86. Southwest wind 9 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. West wind 6 to 11 mph.
Juneteenth
Sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Troy IL
 38.79°N 89.88°W (Elev. 551 ft)
Last Update:
6:07 pm CDT Jun 16, 2025
Forecast Valid:
9pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation