Forecast

    Forecast for Ballwin, MO | Forecast Periods: 14
    Monday
    Mar 16
    2026

    Ballwin, MO

    Updated: 1:30 PM CDT

    29°F

    Chance Snow Showers

    16 mph NW
    Precipitation: 14%

    A chance of snow showers. Partly sunny, with a high near 29. Northwest wind 16 to 20 mph, with gusts as high as 33 mph.

    Hourly Forecast

    MON14:00
    26°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:14%Humidity:57%Wind:20 mph NW
    MON15:00
    27°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:14%Humidity:55%Wind:18 mph W
    MON16:00
    29°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:14%Humidity:51%Wind:17 mph W
    MON17:00
    29°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:14%Humidity:51%Wind:16 mph NW
    MON18:00
    28°F
    Chance Snow Showers
    Dewpoint:-10.6°Precip:14%Humidity:53%Wind:16 mph NW
    TUE19:00
    27°F
    Mostly Cloudy
    Dewpoint:-11.1°Precip:0%Humidity:53%Wind:15 mph NW
    TUE20:00
    25°F
    Mostly Cloudy
    Dewpoint:-11.1°Precip:0%Humidity:57%Wind:15 mph NW
    TUE21:00
    25°F
    Mostly Cloudy
    Dewpoint:-12.2°Precip:0%Humidity:52%Wind:14 mph NW
    TUE22:00
    23°F
    Mostly Cloudy
    Dewpoint:-12.8°Precip:0%Humidity:54%Wind:14 mph NW
    TUE23:00
    22°F
    Mostly Cloudy
    Dewpoint:-13.3°Precip:0%Humidity:54%Wind:14 mph NW
    TUE00:00
    21°F
    Mostly Cloudy
    Dewpoint:-14.4°Precip:0%Humidity:52%Wind:13 mph NW
    TUE01:00
    21°F
    Partly Cloudy
    Dewpoint:-14.4°Precip:0%Humidity:52%Wind:13 mph NW
    TUE02:00
    20°F
    Partly Cloudy
    Dewpoint:-15°Precip:0%Humidity:51%Wind:12 mph NW
    TUE03:00
    19°F
    Partly Cloudy
    Dewpoint:-15°Precip:0%Humidity:54%Wind:12 mph NW
    TUE04:00
    17°F
    Mostly Clear
    Dewpoint:-15.6°Precip:0%Humidity:56%Wind:10 mph NW
    TUE05:00
    16°F
    Mostly Clear
    Dewpoint:-15°Precip:0%Humidity:61%Wind:10 mph NW
    TUE06:00
    15°F
    Sunny
    Dewpoint:-15.6°Precip:0%Humidity:61%Wind:9 mph NW
    TUE07:00
    16°F
    Sunny
    Dewpoint:-15.6°Precip:0%Humidity:58%Wind:8 mph NW
    TUE08:00
    15°F
    Sunny
    Dewpoint:-15.6°Precip:0%Humidity:61%Wind:7 mph NW
    TUE09:00
    17°F
    Sunny
    Dewpoint:-15.6°Precip:0%Humidity:56%Wind:8 mph NW
    TUE10:00
    20°F
    Sunny
    Dewpoint:-14.4°Precip:0%Humidity:54%Wind:7 mph NW
    TUE11:00
    23°F
    Sunny
    Dewpoint:-13.9°Precip:0%Humidity:50%Wind:7 mph NW
    TUE12:00
    26°F
    Mostly Sunny
    Dewpoint:-13.9°Precip:0%Humidity:44%Wind:6 mph W
    TUE13:00
    30°F
    Mostly Sunny
    Dewpoint:-13.9°Precip:0%Humidity:37%Wind:6 mph W

    Extended Forecast

    Tonight

    Mon, Mar 16
    15°F
    Chance Snow Showers then Partly Cloudy
    10 mph NW
    Precipitation: 14%
    A chance of snow showers before 7pm. Partly cloudy, with a low around 15. Northwest wind 10 to 16 mph, with gusts as high as 28 mph.

    Tuesday

    Tue, Mar 17
    37°F
    Mostly Sunny
    6 mph W
    Precipitation: 8%
    Mostly sunny, with a high near 37. West wind 6 to 9 mph, with gusts as high as 21 mph.

    Tuesday Night

    Tue, Mar 17
    32°F
    Chance Light Snow
    6 mph S
    Precipitation: 41%
    A chance of snow between 7pm and 2am, then a chance of rain and snow. Mostly cloudy. Low around 32, with temperatures rising to around 36 overnight. South wind 6 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Wednesday

    Wed, Mar 18
    65°F
    Chance Light Rain then Sunny
    6 mph SW
    Precipitation: 30%
    A chance of rain before 7am. Sunny, with a high near 65. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Wednesday Night

    Wed, Mar 18
    45°F
    Partly Cloudy
    3 mph SW
    Precipitation: 0%
    Partly cloudy, with a low around 45.

    Thursday

    Thu, Mar 19
    75°F
    Sunny
    6 mph W
    Precipitation: 1%
    Sunny, with a high near 75.

    Thursday Night

    Thu, Mar 19
    47°F
    Mostly Clear
    5 mph NE
    Precipitation: 0%
    Mostly clear, with a low around 47.

    Friday

    Fri, Mar 20
    79°F
    Mostly Sunny
    6 mph SW
    Precipitation: 0%
    Mostly sunny, with a high near 79.

    Friday Night

    Fri, Mar 20
    54°F
    Partly Cloudy
    7 mph SW
    Precipitation: 1%
    Partly cloudy, with a low around 54.

    Saturday

    Sat, Mar 21
    80°F
    Sunny
    8 mph W
    Precipitation: 0%
    Sunny, with a high near 80.

    Saturday Night

    Sat, Mar 21
    52°F
    Mostly Clear
    8 mph W
    Precipitation: 0%
    Mostly clear, with a low around 52.

    Sunday

    Sun, Mar 22
    73°F
    Sunny
    10 mph NW
    Precipitation: 0%
    Sunny, with a high near 73.

    Sunday Night

    Sun, Mar 22
    41°F
    Partly Cloudy
    9 mph N
    Precipitation: 5%
    Partly cloudy, with a low around 41.

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