National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

70°F

21°C

Humidity 77%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 22 Jul 10:35 pm CDT
Extended Forecast for

2 Miles ESE Troy IL

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Northeast wind 3 to 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. East wind 3 to 6 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. East wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 6 mph becoming calm.

    Low: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 62. Northeast wind 3 to 6 mph.
Thursday
Sunny, with a high near 81. East wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 63. East wind around 6 mph becoming calm in the evening.
Friday
A 40 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East wind around 6 mph becoming calm.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 72.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 96.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Troy IL
 38.72°N 89.86°W (Elev. 502 ft)
Last Update:
9:36 pm CDT Jul 22, 2026
Forecast Valid:
10pm CDT Jul 22, 2026-6pm CDT Jul 29, 2026
 
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