Hourly Weather Forecast - Groton, SD

12 AM
-15°F
10%
5mph
NNE
Very Cold
Humidity
100%
Feels like
-28°F
Dew Point
-15°F
1 AM
-15°F
10%
5mph
NE
Very Cold
Humidity
100%
Feels like
-29°F
Dew Point
-15°F
2 AM
-15°F
10%
6mph
NE
Very Cold
Humidity
100%
Feels like
-30°F
Dew Point
-15°F
3 AM
-14°F
10%
6mph
ENE
Very Cold
Humidity
100%
Feels like
-29°F
Dew Point
-14°F
4 AM
-14°F
10%
6mph
E
Very Cold
Humidity
100%
Feels like
-29°F
Dew Point
-14°F
5 AM
-13°F
10%
6mph
ESE
Very Cold
Humidity
100%
Feels like
-28°F
Dew Point
-13°F
6 AM
-11°F
10%
7mph
ESE
Very Cold
Humidity
93%
Feels like
-27°F
Dew Point
-13°F
7 AM
-9°F
10%
8mph
SE
Very Cold
Humidity
88%
Feels like
-24°F
Dew Point
-11°F
8 AM
-6°F
0%
8mph
SE
Very Cold
Humidity
81%
Feels like
-21°F
Dew Point
-10°F
8:04 AM
9 AM
-4°F
0%
8mph
SE
Very Cold
Humidity
80%
Feels like
-18°F
Dew Point
-8°F
10 AM
-1°F
0%
8mph
SE
Very Cold
Humidity
80%
Feels like
-16°F
Dew Point
-6°F
11 AM
1°F
0%
9mph
SSE
Cloudy
Humidity
79%
Feels like
-14°F
Dew Point
-4°F
12 PM
3°F
0%
9mph
SSE
Mostly Cloudy
Humidity
80%
Feels like
-11°F
Dew Point
-2°F
1 PM
5°F
0%
9mph
SSE
Mostly Cloudy
Humidity
80%
Feels like
-9°F
Dew Point
0°F

Rainfall Forecast for Northwest through Thursday

Persistent, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snowfall forecast Through Tonight

Snow To Spread Across Appalachians Into Mid-Atlantic

Tuesday's Weather Outlook

Tuesday'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

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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