Hourly Weather Forecast - Arnold, MO

12 AM
58°F
0%
7mph
SSE
Clear
Humidity
78%
Feels like
58°F
Dew Point
51°F
1 AM
57°F
0%
7mph
S
Clear
Humidity
82%
Feels like
57°F
Dew Point
51°F
2 AM
56°F
0%
8mph
S
Clear
Humidity
85%
Feels like
56°F
Dew Point
51°F
3 AM
55°F
0%
8mph
S
Clear
Humidity
88%
Feels like
55°F
Dew Point
52°F
4 AM
55°F
0%
7mph
S
Clear
Humidity
90%
Feels like
55°F
Dew Point
52°F

Today's High Temperature Outlook

Dangerous Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Today's Weather Outlook

Today's Weather Outlook

Weekend Weather Preview

Weekend Weather Preview

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

(Image provided by Pixabay.com)

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