Hourly Weather Forecast - Arnold, MO

12 AM
62°F
0%
8mph
SW
Mostly Cloudy
Humidity
97%
Feels like
62°F
Dew Point
61°F
1 AM
62°F
0%
8mph
SW
Mostly Cloudy
Humidity
97%
Feels like
62°F
Dew Point
61°F
2 AM
62°F
10%
8mph
SW
Mostly Cloudy
Humidity
97%
Feels like
62°F
Dew Point
61°F
3 AM
62°F
10%
8mph
SW
Mostly Cloudy
Humidity
98%
Feels like
62°F
Dew Point
61°F
4 AM
62°F
10%
8mph
SW
Mostly Cloudy
Humidity
98%
Feels like
62°F
Dew Point
61°F
5 AM
62°F
10%
7mph
SSW
Foggy
Humidity
100%
Feels like
62°F
Dew Point
62°F
6 AM
61°F
10%
7mph
SSW
Foggy
Humidity
100%
Feels like
61°F
Dew Point
61°F
7 AM
62°F
0%
7mph
SSW
Foggy
Humidity
100%
Feels like
62°F
Dew Point
62°F
7:16 AM
8 AM
63°F
0%
8mph
SSW
Foggy
Humidity
99%
Feels like
63°F
Dew Point
63°F
9 AM
65°F
0%
8mph
SSW
Partly Cloudy
Humidity
98%
Feels like
65°F
Dew Point
65°F
10 AM
68°F
10%
9mph
SSW
Partly Cloudy
Humidity
93%
Feels like
68°F
Dew Point
66°F
11 AM
70°F
10%
9mph
SSW
Partly Cloudy
Humidity
88%
Feels like
70°F
Dew Point
66°F
12 PM
72°F
10%
10mph
SW
Partly Cloudy
Humidity
80%
Feels like
72°F
Dew Point
65°F
1 PM
73°F
10%
10mph
SW
Partly Cloudy
Humidity
78%
Feels like
73°F
Dew Point
66°F
2 PM
74°F
10%
10mph
SSW
Partly Cloudy
Humidity
76%
Feels like
74°F
Dew Point
65°F
3 PM
73°F
0%
10mph
SSW
Mostly Sunny
Humidity
76%
Feels like
73°F
Dew Point
65°F
4 PM
71°F
0%
9mph
SSW
Mostly Sunny
Humidity
79%
Feels like
71°F
Dew Point
64°F
4:46 PM
5 PM
70°F
0%
9mph
SSW
Mostly Clear
Humidity
78%
Feels like
70°F
Dew Point
63°F
6 PM
70°F
0%
8mph
SSW
Mostly Clear
Humidity
77%
Feels like
70°F
Dew Point
62°F
7 PM
69°F
0%
9mph
SSW
Mostly Clear
Humidity
78%
Feels like
69°F
Dew Point
62°F
8 PM
68°F
0%
9mph
SW
Partly Cloudy
Humidity
82%
Feels like
68°F
Dew Point
62°F
9 PM
66°F
0%
9mph
SW
Partly Cloudy
Humidity
85%
Feels like
66°F
Dew Point
61°F
10 PM
65°F
0%
9mph
SW
Partly Cloudy
Humidity
88%
Feels like
65°F
Dew Point
62°F
11 PM
65°F
0%
9mph
SW
Partly Cloudy
Humidity
91%
Feels like
65°F
Dew Point
62°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide