Hourly Weather Forecast - Arnold, MO

12 AM
45°F
10%
5mph
S
Partly Cloudy
Humidity
98%
Feels like
42°F
Dew Point
44°F
1 AM
45°F
10%
5mph
S
Foggy
Humidity
100%
Feels like
42°F
Dew Point
45°F
2 AM
45°F
10%
5mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
45°F
3 AM
46°F
10%
5mph
S
Foggy
Humidity
99%
Feels like
43°F
Dew Point
46°F
4 AM
47°F
10%
5mph
S
Partly Cloudy
Humidity
98%
Feels like
44°F
Dew Point
46°F
5 AM
46°F
10%
5mph
S
Foggy
Humidity
100%
Feels like
44°F
Dew Point
46°F
6 AM
46°F
10%
5mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
46°F
7 AM
46°F
10%
5mph
S
Foggy
Humidity
100%
Feels like
43°F
Dew Point
46°F
7:16 AM
8 AM
48°F
10%
5mph
SSW
Foggy
Humidity
100%
Feels like
46°F
Dew Point
48°F
9 AM
50°F
10%
5mph
SSW
Foggy
Humidity
100%
Feels like
50°F
Dew Point
50°F
10 AM
52°F
10%
5mph
SSW
Foggy
Humidity
99%
Feels like
52°F
Dew Point
52°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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