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

40°F

4°C

Humidity 61%
Wind Speed S 8 mph
Barometer 30.10 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 12 Jan 10:15 pm CST
Extended Forecast for

Fidelity IL

  • Tonight

    Tonight: Increasing clouds, with a low around 36. South wind 5 to 10 mph, with gusts as high as 21 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 57. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 57 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain, mainly before 9pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 33. West wind 10 to 15 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a temperature rising to near 38 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 34 mph.

    High: 38 °F⇓

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 15. North wind 11 to 18 mph, with gusts as high as 28 mph.

    Low: 15 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.

    High: 40 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.

    Low: 16 °F

    Slight Chance
    Snow then
    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 36. South wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 57. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of rain, mainly before 9pm. Partly cloudy, then becoming cloudy toward daybreak, with a low around 33. West wind 10 to 15 mph, with gusts as high as 24 mph.
Wednesday
Mostly cloudy, with a temperature rising to near 38 by 11am, then falling to around 30 during the remainder of the day. Breezy, with a northwest wind 16 to 25 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly clear, with a low around 15. North wind 11 to 18 mph, with gusts as high as 28 mph.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 23.
Friday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 40. Breezy.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
Partly cloudy, with a low around 7.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 10.
M.L.King Day
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fidelity IL
 39.15°N 90.15°W (Elev. 617 ft)
Last Update:
9:41 pm CST Jan 12, 2026
Forecast Valid:
10pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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