Chilly Eastern Half of U.S.; Fire Weather Concerns in Four Corners

A large, cold dome of high pressure will settle-in across the Eastern half of the country and chilly conditions with below normal temperatures are likely. In fact, a number of record low temperatures are possible Thursday morning and widespread freeze warnings are currently in effect. Meanwhile, elevated to critical fire weather conditions are expected to persist across the Four Corners region. Read More >

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

46°F

8°C

Humidity 61%
Wind Speed NW 7 mph
Barometer 30.15 in (1021.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 21 Apr 6:51 pm CDT
Extended Forecast for

Saint Charles MO

Freeze Warning April 22, 12:00am until April 22, 09:00am
Click here for hazard details and duration
Freeze Warning
  • Tonight

    Tonight: Scattered showers before 8pm.  Widespread frost, mainly after 4am.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. West wind 5 to 10 mph becoming light.  Chance of precipitation is 30%.

    Scattered
    Showers then
    Frost

    Low: 31 °F

  • Thursday

    Thursday: Widespread frost before 8am.  Otherwise, sunny, with a high near 57. West wind 3 to 7 mph.

    Frost then
    Sunny

    High: 57 °F

  • Thursday
    Night

    Thursday Night: Showers likely, mainly after 2am.  Increasing clouds, with a low around 42. Southeast wind 5 to 7 mph.  Chance of precipitation is 60%.

    Showers
    Likely

    Low: 42 °F

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 60. South wind 10 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%.

    Chance
    Showers

    High: 60 °F

  • Friday
    Night

    Friday Night: Showers and possibly a thunderstorm.  Low around 51. South wind 5 to 10 mph.  Chance of precipitation is 80%.

    Showers

    Low: 51 °F

  • Saturday

    Saturday: A 50 percent chance of showers before 1pm.  Mostly cloudy, with a high near 62.

    Chance
    Showers

    High: 62 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 43.

    Mostly Clear

    Low: 43 °F

  • Sunday

    Sunday: Sunny, with a high near 67.

    Sunny

    High: 67 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 51.

    Mostly Clear

    Low: 51 °F

Detailed Forecast

Tonight
Scattered showers before 8pm. Widespread frost, mainly after 4am. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 31. West wind 5 to 10 mph becoming light. Chance of precipitation is 30%.
Thursday
Widespread frost before 8am. Otherwise, sunny, with a high near 57. West wind 3 to 7 mph.
Thursday Night
Showers likely, mainly after 2am. Increasing clouds, with a low around 42. Southeast wind 5 to 7 mph. Chance of precipitation is 60%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 60. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Friday Night
Showers and possibly a thunderstorm. Low around 51. South wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 62.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Partly sunny, with a high near 82.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Click Map For Forecast
Point Forecast:
Saint Charles MO
 38.78°N 90.51°W (Elev. 597 ft)
5:42 pm CDT Apr 21, 2021
7pm CDT Apr 21, 2021-6pm CDT Apr 28, 2021
 
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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