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1-in-1,000-year rainfall event causes flash flooding in Missouri. Read the latest. Chevron right
New England faces severe weather risk early this week. Click to see the timing. Chevron right

Arnold, MO

84°F
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Arnold

Missouri

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Arnold, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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July 13 - July 27

Mon 7/13

91° /67°
0%
Clear

RealFeel®69°

Cloud Cover0%

WindNNE 5 mph

Wind Gusts10 mph

Tue 7/14

91° /71°
6%
Mostly sunny

RealFeel®102°

RealFeel Shade™94°

Max UV Index11.0 (Extreme)

WindENE 7 mph

Wed 7/15

92° /71°
25%
Mostly sunny and humid

RealFeel®105°

RealFeel Shade™97°

Max UV Index11.0 (Extreme)

WindE 6 mph

Thu 7/16

93° /72°
55%
Hot and humid with intervals of clouds and sun; a thunderstorm in the afternoon

RealFeel®107°

RealFeel Shade™100°

Max UV Index6.0 (High)

WindSSW 4 mph

Hours of Precipitation0.5

Hours of Rain0.5

Fri 7/17

88° /73°
25%
Humid with a sun-and-cloud mix

RealFeel®100°

RealFeel Shade™93°

Max UV Index6.0 (High)

WindW 7 mph

Sat 7/18

91° /72°
22%
Mostly sunny and humid

RealFeel®102°

RealFeel Shade™95°

Max UV Index11.0 (Extreme)

WindWNW 9 mph

Sun 7/19

89° /69°
12%
Sun breaking through clouds at times

RealFeel®97°

RealFeel Shade™92°

Max UV Index5.0 (Moderate)

WindW 9 mph

Mon 7/20

92° /70°
1%
Radiant sunshine

RealFeel®104°

RealFeel Shade™97°

Max UV Index11.0 (Extreme)

WindWNW 9 mph

Tue 7/21

88° /67°
5%
Decreasing clouds and less humid

RealFeel®90°

RealFeel Shade™85°

Max UV Index7.0 (High)

WindN 13 mph

Wed 7/22

90° /66°
0%
Mostly sunny

RealFeel®91°

RealFeel Shade™87°

Max UV Index11.0 (Extreme)

WindN 9 mph

Thu 7/23

91° /68°
18%
Mostly sunny

RealFeel®98°

RealFeel Shade™89°

Max UV Index10.0 (Very High)

WindE 4 mph

Fri 7/24

90° /70°
12%
Sunshine and a few clouds

RealFeel®99°

RealFeel Shade™95°

Max UV Index10.0 (Very High)

WindENE 8 mph

Sat 7/25

91° /71°
75%
Periods of rain in the morning; otherwise, mostly cloudy

RealFeel®104°

RealFeel Shade™98°

Max UV Index7.0 (High)

WindE 2 mph

Hours of Precipitation2

Hours of Rain2

Sun 7/26

89° /68°
5%
Humid with uninterrupted sunshine

RealFeel®104°

RealFeel Shade™98°

Max UV Index10.0 (Very High)

WindESE 2 mph

Mon 7/27

89° /73°
10%
Mostly sunny and humid

RealFeel®97°

RealFeel Shade™94°

Max UV Index10.0 (Very High)

WindWSW 9 mph

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World North America United States Missouri Arnold

Weather Near Arnold:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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