Hourly Weather Forecast - Siloam Springs, AR

9 PM
27°F
0%
9mph
NNE
Mostly Cloudy
Humidity
79%
Feels like
18°F
Dew Point
22°F
10 PM
25°F
0%
9mph
NNE
Partly Cloudy
Humidity
78%
Feels like
16°F
Dew Point
20°F
11 PM
24°F
0%
9mph
NNE
Partly Cloudy
Humidity
76%
Feels like
14°F
Dew Point
17°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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