Hourly Weather Forecast - Opal, SD

12 AM
17°F
30%
6mph
NE
30% Chance of Flurries
Humidity
84%
Feels like
8°F
Dew Point
13°F
1 AM
17°F
20%
6mph
NNE
Cloudy
Humidity
83%
Feels like
8°F
Dew Point
12°F
2 AM
16°F
20%
5mph
NNE
Cloudy
Humidity
83%
Feels like
8°F
Dew Point
12°F
3 AM
16°F
20%
5mph
NNE
Cloudy
Humidity
82%
Feels like
8°F
Dew Point
11°F
4 AM
16°F
20%
6mph
N
Cloudy
Humidity
81%
Feels like
7°F
Dew Point
11°F
5 AM
15°F
20%
6mph
N
Mostly Cloudy
Humidity
81%
Feels like
6°F
Dew Point
11°F

Snowfall Forecast Through Tonight

Snow To Impact the Rockies This Weekend

A winter storm continues across the Cascades and northern Rockies today through tonight causing periods of moderate to heavy snow.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Image courtesy of PeakPX.

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Today's National Outlook

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Snow & Ski Forecast

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