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.

Fair

70°F

21°C

Humidity 27%
Wind Speed S 15 G 21 mph
Barometer 29.92 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 27 Feb 12:45 pm CST
Extended Forecast for

3 Miles SW Alhambra IL

Red Flag Warning February 27, 01:27pm until February 27, 06:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning February 27, 01:27pm until February 27, 06:00pm

    NOW until 6:00pm Fri

    Red Flag Warning

  • This Afternoon

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. Southwest wind 6 to 9 mph becoming northeast after midnight.

    Low: 36 °F

    Clear

  • Saturday

    Saturday: A slight chance of rain between 3pm and 4pm. Mostly sunny, with a high near 63. Northeast wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 63 °F

    Sunny then
    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. South wind 6 to 13 mph becoming north in the evening. Winds could gust as high as 22 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. Northeast wind 10 to 13 mph.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain and snow before 3am, then rain, snow, and freezing rain likely. Low around 32. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.

    Low: 32 °F

    Wintry Mix

  • Monday

    Monday: A chance of rain, snow, and freezing rain before noon, then a slight chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.

    High: 43 °F

    Chance Wintry
    Mix then
    Slight Chance
    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 37. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 71. Southwest wind 11 to 17 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 36. Southwest wind 6 to 9 mph becoming northeast after midnight.
Saturday
A slight chance of rain between 3pm and 4pm. Mostly sunny, with a high near 63. Northeast wind 7 to 10 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 29. South wind 6 to 13 mph becoming north in the evening. Winds could gust as high as 22 mph.
Sunday
Mostly cloudy, with a high near 45. Northeast wind 10 to 13 mph.
Sunday Night
Rain and snow before 3am, then rain, snow, and freezing rain likely. Low around 32. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow accumulation of less than one inch possible.
Monday
A chance of rain, snow, and freezing rain before noon, then a slight chance of rain. Mostly cloudy, with a high near 43. Chance of precipitation is 40%.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 37. Chance of precipitation is 70%.
Tuesday
Rain and possibly a thunderstorm. High near 57. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 62. Chance of precipitation is 70%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
Rain likely. Mostly cloudy, with a high near 65. Chance of precipitation is 70%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Alhambra IL
 38.87°N 89.77°W (Elev. 541 ft)
Last Update:
12:25 pm CST Feb 27, 2026
Forecast Valid:
1pm CST Feb 27, 2026-6pm CST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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