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.

Fair

81°F

27°C

Humidity 45%
Wind Speed Vrbl 5 mph
Barometer 30.00 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 11 Oct 1:45 pm CDT
Extended Forecast for

Fidelity IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Light southwest wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Southeast wind 5 to 7 mph.

    Low: 62 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 93. Southwest wind 7 to 14 mph.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Southwest wind 7 to 9 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind 7 to 10 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Light southwest wind.
Tonight
Partly cloudy, with a low around 62. Southeast wind 5 to 7 mph.
Columbus Day
Sunny, with a high near 93. Southwest wind 7 to 14 mph.
Monday Night
Mostly clear, with a low around 70. Southwest wind 7 to 9 mph.
Tuesday
Sunny, with a high near 91. Southwest wind 7 to 10 mph.
Tuesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69.
Wednesday
Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 81. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm. High near 76. Chance of precipitation is 80%.
Thursday Night
A 50 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 51.
Friday
Partly sunny, with a high near 65. Breezy.
Friday Night
Partly cloudy, with a low around 37.
Saturday
Sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fidelity IL
 39.15°N 90.15°W (Elev. 617 ft)
Last Update:
1:26 pm CDT Oct 11, 2026
Forecast Valid:
2pm CDT Oct 11, 2026-6pm CDT Oct 17, 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