Hourly Weather Forecast - Allen, SD

12 AM
17°F
10%
11mph
S
Mostly Clear
Humidity
82%
Feels like
5°F
Dew Point
13°F
1 AM
18°F
10%
11mph
S
Clear
Humidity
80%
Feels like
6°F
Dew Point
13°F
2 AM
19°F
0%
11mph
S
Clear
Humidity
79%
Feels like
6°F
Dew Point
13°F
3 AM
19°F
0%
11mph
S
Clear
Humidity
78%
Feels like
7°F
Dew Point
13°F

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

A winter system will bring snow from the southern Appalachians to Mid-Atlantic through this evening.

Today's Weather Outlook

Today's 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.

Top 10 Winter Energy Saving Tips

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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Outdoor Sports Guide