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.

Partly Cloudy

66°F

19°C

Humidity 83%
Wind Speed E 7 mph
Barometer 29.91 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Jun 6:45 am CDT
Extended Forecast for

2 Miles ESE Old Ripley IL

Flood Watch until June 22, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 22, 01:00am

    NOW until 1:00am Mon

    Flood Watch

  • Today

    High: 82 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Low around 63. South wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 75. North wind 8 to 10 mph.

    High: 75 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. Calm wind.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 82. East wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 70%.
Tonight
Showers and thunderstorms, mainly before 11pm. Low around 63. South wind 8 to 11 mph becoming northwest after midnight. Chance of precipitation is 90%.
Monday
Mostly cloudy, with a high near 75. North wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 59. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79. Calm wind.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 81.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Old Ripley IL
 38.87°N 89.54°W (Elev. 551 ft)
Last Update:
6:56 am CDT Jun 21, 2026
Forecast Valid:
7am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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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