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Long Valley, SD Weather Conditions

Updated: Sun Mar 15th 2026 8:00 PM MDT

Clear

14^°F -10^°C

Feels Like -1^°F / -18^°C

Long Valley, SD weather condition is Clear and 14°F.

Today's Weather in Long Valley,SD

The current weather in Long Valley SD as of 8:00 PM MDT on Sun Mar 15th 2026, has a sky condition of Clear with the visibility of 6 mile(s). It is 14 degrees fahrenheit but feels like -1 degrees. The barometric pressure is 30.5 - measured by inches of mercury - and is steady since its last observation. The humidity is 71 percent that's falling since the last report, with a dew point of 6 degrees fahrenheit which is falling. Wind direction is from the North-Northwest at 11.6 miles per hour, gusting at 20.2 miles per hour. Sunrise was at 6:57 AM and Sunset was at 6:52 PM. The moon phase is a Waning Crescent moon rising at 5:30 AM. Thank you for listening to the weather report from LocalConditions.com!

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Sun & Moon

Sun

Sunrise: 6:57 AM

Sunset: 6:52 PM

As of:

Moon

Moonrise: 5:30 AM

Moonset: 3:14 PM

Phase: Waning Crescent Moon

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Radar Alerts Next 48 Hours Traffic

Hourly Forecast - Next 8 hours

Next 5 Days...

Sunny

Sunny with a high of 35°F and a low of 9°F. Winds will be light at 9mph at times. Humidity levels are comfortable, sitting around 57%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 35° \| Lo 9°	57%	0%	0%	8.1 mph

Partly Cloudy

Partly Cloudy with a high of 60°F and a low of 28°F. Winds will be strong at speeds peaking at 27mph. Humidity levels are comfortable, sitting around 60%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 60° \| Lo 28°	60%	0%	0%	26.8 mph

Partly Cloudy

Partly Cloudy with a high of 70°F and a low of 42°F. Winds will be strong at speeds peaking at 21mph. Humidity levels are comfortable, sitting around 59%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 70° \| Lo 42°	59%	0%	0%	20.8 mph

Sunny

Sunny with a high of 76°F and a low of 52°F. Winds will be moderate, blowing around 17mph. Humidity levels are comfortable, sitting around 36%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 76° \| Lo 52°	36%	0%	0%	16.8 mph

Sunny

Sunny with a high of 78°F and a low of 56°F. Winds will be moderate, blowing around 18mph. Humidity levels are comfortable, sitting around 32%.

Temperature	Humidity	Rainfall	Snow	Wind
Hi 78° \| Lo 56°	32%	0%	0%	17.4 mph

Yesterday 5-Day Wind

Weather Radar Map

Live Long Valley, SD weather with minute-by-minute precipitation, radar, barometric pressure, temperatures and wind speeds for today thru Thursday, as you toggle through each map layer. Use the slider to move forward and back in time to view how current data and forecasts will affect the region; you can press or click on the map to show metrics available for each tab. The related timestamp is located above the Play button which will animate the weather forecast.

Hourly Temperature

The current temperature today is 14^°F. The morning temperature of 15°^F is lowest at 9am with the daytime high of 15°^F at 5pm and a low around 13°^F at 6pm is expected.

Hourly Barometric Pressure

The highest pressure today is 30.54^inHg at 11pm and lowest being 29.5^inHg at 12am.

Hourly Wind Speeds

The fastest wind is reported to be 24.2^mph at 2am, while the slowest is 5.6^mph around 11pm; expect wind gusts peaking 33.5^mph at 2am. View live wind conditions in Long Valley

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