National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

71°F

22°C

Humidity 68%
Wind Speed E 9 mph
Barometer 29.93 in (1012.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 10:54 pm CDT
Extended Forecast for

3 Miles N Elsberry MO

Flood Watch June 21, 01:00am until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.

    Low: 66 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers and thunderstorms. High near 80. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    High: 80 °F

    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms, mainly before midnight. Low around 59. Southwest wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 59 °F

    T-storms then
    Slight Chance
    T-storms

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.

    High: 75 °F

    Decreasing
    Clouds

  • Monday Night

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

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

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

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 66. Calm wind becoming southeast around 5 mph after midnight.
Sunday
Showers and thunderstorms. High near 80. Southeast wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Sunday Night
Showers and thunderstorms, mainly before midnight. Low around 59. Southwest wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 80%.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 75. North wind around 8 mph.
Monday Night
Partly cloudy, with a low around 59. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 80.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A 40 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:
3 Miles N Elsberry MO
 39.21°N 90.8°W (Elev. 509 ft)
Last Update:
10:41 pm CDT Jun 20, 2026
Forecast Valid:
11pm CDT Jun 20, 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