Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

79°F

26°C

Humidity 84%
Wind Speed SW 5 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 25 Jun 5:45 pm CDT
Extended Forecast for

3 Miles ENE Mount Olive IL

Flood Watch June 25, 06:42pm until June 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch June 25, 06:42pm until June 26, 07:00pm

    NOW until 7:00pm Fri

    Flood Watch

  • Tonight

    Low: 66 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm.  High near 77. Southeast wind 7 to 11 mph becoming southwest in the afternoon.  Chance of precipitation is 90%.

    High: 77 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers after 2am.  Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 81. Light and variable wind.

    High: 81 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 69. Calm wind becoming southeast around 5 mph after midnight.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 66. North wind 5 to 7 mph becoming calm. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm before 3pm, then showers and thunderstorms likely between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 77. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Light and variable wind.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
Sunny, with a high near 94.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Mount Olive IL
 39.09°N 89.67°W (Elev. 666 ft)
5:26 pm CDT Jun 25, 2026
6pm CDT Jun 25, 2026-6pm CDT Jul 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database