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

46°F

8°C

Humidity 100%
Wind Speed SE 9 mph
Barometer 29.96 in
Dewpoint 46°F (8°C)
Visibility 3.00 mi
Wind Chill41°F (5°C)
Last update 27 Dec 6:45 am CST
Extended Forecast for

Roxana IL

Dense Fog Advisory December 27, 07:47am until December 27, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 27, 07:47am until December 27, 09:00am

    NOW until 9:00am Sat

    Dense Fog Advisory

  • Today

    High: 63 °F

    Areas Dense
    Fog then
    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers after 9pm. Cloudy, with a low around 58. South wind 7 to 10 mph.

    Low: 58 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature rising to near 69 by 11am, then falling to around 56 during the remainder of the day. South wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.

    High: 69 °F⇓

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. Blustery, with a west wind 18 to 22 mph, with gusts as high as 33 mph.

    Low: 19 °F

    Chance
    Showers and
    Blustery then
    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 27. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 27 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Today
Areas of dense fog before 10am. Otherwise, mostly cloudy, with a high near 63. Southeast wind 5 to 10 mph.
Tonight
A 20 percent chance of showers after 9pm. Cloudy, with a low around 58. South wind 7 to 10 mph.
Sunday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2pm. Temperature rising to near 69 by 11am, then falling to around 56 during the remainder of the day. South wind 8 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday Night
A 40 percent chance of showers before 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 19. Blustery, with a west wind 18 to 22 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 27. Breezy, with a northwest wind 16 to 22 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 23.
New Year's Day
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
7:11 am CST Dec 27, 2025
Forecast Valid:
7am CST Dec 27, 2025-6pm CST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation