Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

41°F

5°C

Humidity 92%
Wind Speed Calm
Barometer 30.47 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 18 Oct 12:15 am CDT
Extended Forecast for

5 Miles NNE Litchfield IL

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  • Overnight

    Overnight: Areas of frost after 3am.  Otherwise, clear, with a low around 32. Calm wind.

    Low: 32 °F

    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly between 7am and 8am.  Otherwise, sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.

    High: 68 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. Calm wind.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Calm wind.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. Calm wind.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Areas of frost after 3am. Otherwise, clear, with a low around 32. Calm wind.
Sunday
Widespread frost, mainly between 7am and 8am. Otherwise, sunny, with a high near 68. Calm wind becoming south 5 to 7 mph in the morning.
Sunday Night
Clear, with a low around 37. Calm wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 37. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 79.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Litchfield IL
 39.24°N 89.63°W (Elev. 653 ft)
12:21 am CDT Oct 18, 2026
12am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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