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.

Fog/Mist

33°F

1°C

Humidity 97%
Wind Speed NA
Barometer 30.19 in
Dewpoint 32°F (0°C)
Visibility 5.00 mi
Last update 2 Nov 12:35 am CST
Extended Forecast for

2 Miles W Dorchester IL

Freeze Warning November 2, 01:00am until November 2, 07:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Patchy fog after 5am. Widespread frost. Otherwise, mostly clear, with a low around 29. Calm wind.

    Low: 29 °F

    Frost and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 54 °F

    Frost and
    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 4am. Otherwise, clear, with a low around 34. South wind 3 to 6 mph.

    Low: 34 °F

    Clear then
    Areas Frost

  • Monday

    Monday: Areas of frost before 8am. Otherwise, sunny, with a high near 62. South wind 6 to 9 mph becoming west in the afternoon.

    High: 62 °F

    Areas Frost
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 5am. Widespread frost. Otherwise, mostly clear, with a low around 29. Calm wind.
Sunday
Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 54. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Areas of frost after 4am. Otherwise, clear, with a low around 34. South wind 3 to 6 mph.
Monday
Areas of frost before 8am. Otherwise, sunny, with a high near 62. South wind 6 to 9 mph becoming west in the afternoon.
Monday Night
Partly cloudy, with a low around 38. Calm wind.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of rain. Partly cloudy, with a low around 51.
Friday
A 20 percent chance of rain and thunderstorms. Mostly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 45.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Dorchester IL
 39.08°N 89.93°W (Elev. 676 ft)
Last Update:
12:41 am CDT Nov 2, 2025
Forecast Valid:
1am CDT Nov 2, 2025-6pm CST Nov 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation