Snow in the Rockies and High Plains

A surge of cold air will bring rapidly falling temperatures and snow to spread across the Rockies, Plains and Middle Mississippi Valley into the Great Lakes over the next couple of days. Heavy showers and thunderstorms will continue to bring a threat of flash and urban flooding, hail, and strong/gusty winds to the Florida peninsula into midweek. Read More >

Current conditions at

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

43°F

6°C

Humidity 86%
Wind Speed W 7 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Apr 1:54 am CDT
Extended Forecast for

Chesterfield MO

Freeze Watch April 21, 01:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Overnight

    Overnight: Clear, with a low around 42. West wind around 6 mph.

    Clear

    Low: 42 °F

  • Monday

    Monday: Sunny, with a high near 71. West wind 6 to 13 mph, with gusts as high as 20 mph.

    Sunny

    High: 71 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 39. Northwest wind 8 to 11 mph becoming north after midnight.

    Mostly Cloudy

    Low: 39 °F

  • Tuesday

    Tuesday: Rain, mainly after 1pm.  High near 47. North wind 6 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%.

    Chance Rain
    then Rain

    High: 47 °F

  • Tuesday
    Night

    Tuesday Night: A chance of rain, mixing with snow after 11pm, then gradually ending.  Widespread frost, mainly after 2am.  Otherwise, partly cloudy, with a low around 30. West wind 6 to 10 mph.  Chance of precipitation is 30%.

    Chance
    Rain/Snow

    Low: 30 °F

  • Wednesday

    Wednesday: Widespread frost, mainly before 8am.  Otherwise, mostly sunny, with a high near 52.

    Frost then
    Mostly Sunny

    High: 52 °F

  • Wednesday
    Night

    Wednesday Night: Areas of frost after 3am.  Otherwise, partly cloudy, with a low around 33.

    Partly Cloudy
    then Areas
    Frost

    Low: 33 °F

  • Thursday

    Thursday: Widespread frost, mainly before 7am.  Otherwise, sunny, with a high near 59.

    Frost then
    Sunny

    High: 59 °F

  • Thursday
    Night

    Thursday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 41.

    Mostly Clear
    then Slight
    Chance
    Showers

    Low: 41 °F

Detailed Forecast

Overnight
Clear, with a low around 42. West wind around 6 mph.
Monday
Sunny, with a high near 71. West wind 6 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 39. Northwest wind 8 to 11 mph becoming north after midnight.
Tuesday
Rain, mainly after 1pm. High near 47. North wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of rain, mixing with snow after 11pm, then gradually ending. Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 30. West wind 6 to 10 mph. Chance of precipitation is 30%.
Wednesday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 52.
Wednesday Night
Areas of frost after 3am. Otherwise, partly cloudy, with a low around 33.
Thursday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 59.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 41.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 59.
Friday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 65.
Click Map For Forecast
Point Forecast:
Chesterfield MO
 38.65°N 90.57°W (Elev. 512 ft)
1:11 am CDT Apr 19, 2021
2am CDT Apr 19, 2021-6pm CDT Apr 25, 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