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Arnold, MO Current Weather and Forecast

Arnold, MO Weather Forecast

5:50 PM CDT Wed Jun 20 2018

TONIGHT - Mostly cloudy. Showers and thunderstorms likely in the evening, then chance of showers and thunderstorms after midnight. Low in the lower 70s. Southwest wind around 10 mph in the evening becoming light after midnight. Chance of rain 60 percent.

THURSDAY - Mostly cloudy. Chance of showers and thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. High in the mid 80s. Light wind. Chance of rain 60 percent.

THURSDAY NIGHT - Mostly cloudy with a 50 percent chance of showers and thunderstorms. Low in the mid 60s. West wind around 10 mph in the evening becoming light after midnight.

FRIDAY - Cloudy with showers and thunderstorms likely. High in the upper 70s. West wind around 10 mph. Chance of rain 60 percent.

FRIDAY NIGHT - Mostly cloudy with a 20 percent chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Low in the lower 60s. Northwest wind around 10 mph in the evening becoming light after midnight.

SATURDAY - Partly sunny in the morning, then mostly cloudy with a 20 percent chance of showers and thunderstorms in the afternoon. High in the mid 80s.

SATURDAY NIGHT - Partly cloudy in the evening then becoming mostly cloudy. A 30 percent chance of showers and thunderstorms. Low in the upper 60s.

SUNDAY - Partly sunny with a 40 percent chance of showers and thunderstorms. High in the mid 80s.

SUNDAY NIGHT AND MONDAY - Partly cloudy. A 20 percent chance of showers and thunderstorms. Low around 70. High in the mid 80s.

MONDAY NIGHT - Partly cloudy. Low around 70.

TUESDAY - Partly sunny with a 20 percent chance of showers and thunderstorms. High around 90.

TUESDAY NIGHT - Partly cloudy with a 40 percent chance of showers and thunderstorms. Low in the lower 70s.

WEDNESDAY - Partly sunny with a 30 percent chance of showers and thunderstorms. High in the lower 90s.

National Weather Service Saint Louis MO


Arnold, MO Current Weather Conditions

ST LOUIS DOWNTOWN AIRPORT, IL, United States (KCPS) 38-34N 090-09W 126M

Jun 20, 2018 - 07:53 PM EDT / 2018.06.20 2353 UTC

Wind: Variable at 7 MPH (6 KT) gusting to 23 MPH (20 KT):0

Visibility: 10 mile(s):0

Sky conditions: partly cloudy

Weather: Lightning observed

Precipitation last hour: A trace

Temperature: 82.0 F (27.8 C)

Dew Point: 71.1 F (21.7 C)

Relative Humidity: 69%

Pressure (altimeter): 29.79 in. Hg (1008 hPa)

Pressure tendency: 0.01 inches (0.3 hPa) higher than three hours ago

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