Sioux Falls Barometric Pressure Today

Friday, August 21, 2026

Current Barometric Pressure

0.00 inHg
1014.0 mbar
Normal Pressure
Updated 5 hours ago
Weather Partly Cloudy
Temperature 62.1°F
Humidity 93%
Wind 6.9 mph WNW

What Normal Pressure Means

  • Weather: Typical weather patterns
  • Health: Average conditions for most people
  • Activities: Good for most activities

43.546°N, 96.7313°W • Elevation: 1,470 ft

3-Day Barometric Pressure Forecast

Today Aug 21
29.94 inHg
Normal
↑ 30.00 ↓ 29.88
Saturday Aug 22
30.07 inHg
Normal
↑ 30.12 ↓ 30.00
Sunday Aug 23
30.05 inHg
Normal
↑ 30.12 ↓ 29.98

Today's Pressure Trend

Understanding Barometric Pressure Levels

Current reading: 29.95 inHg - Normal Pressure

Very High
30.7 - 32 inHg
High
30.2 - 30.69 inHg
Normal
29.8 - 30.19 inHg
Low
29 - 29.79 inHg
Very Low
28 - 28.99 inHg
Extreme Low
27 - 27.99 inHg
29.95 inHg

Barometric Pressure in Cities Near Sioux Falls

Compare pressure readings in cities within 300km radius

Brookings

SD 85 km away
29.97 inHg
Normal
+0.02 inHg

Vermillion

SD 87 km away
29.97 inHg
Normal
+0.02 inHg

Yankton

SD 92 km away
29.96 inHg
Normal
+0.01 inHg

Mitchell

SD 106 km away
29.96 inHg
Normal
+0.01 inHg

Sioux City

IA 119 km away
29.99 inHg
Normal
+0.04 inHg

Huron

SD 149 km away
29.98 inHg
Normal
+0.03 inHg

Watertown

SD 154 km away
29.97 inHg
Normal
+0.02 inHg

Aberdeen

SD 255 km away
29.98 inHg
Normal
+0.03 inHg

Omaha

NE 263 km away
30.00 inHg
Normal
+0.05 inHg

Barometric Pressure in Sioux Falls, SD - Complete Guide

The current barometric pressure in Sioux Falls is 29.95 inches of mercury (inHg), equivalent to 1,014 millibars. This normal pressure reading was recorded at 11:48 AM UTC on August 21, 2026, providing you with real-time atmospheric conditions for Sioux Falls.

What is Barometric Pressure?

Barometric pressure, also known as atmospheric pressure, is the weight of the air column above us. It's measured in inches of mercury (inHg) or millibars (mb). In Sioux Falls, normal pressure typically ranges from 29.80 to 30.20 inHg (1,009 to 1,023 mb). Today's reading of 29.95 inHg indicates normal pressure conditions.

How Barometric Pressure Affects Sioux Falls

🌤️ Weather Patterns

Normal pressure suggests typical weather patterns for Sioux Falls with moderate conditions and no extreme weather expected.

🏥 Health Impacts

Barometric pressure changes can affect human health. Normal pressure conditions typically have minimal impact on health and well-being. People with migraines, arthritis, or other weather-sensitive conditions often notice these changes.

🎣 Outdoor Activities

Barometric pressure influences fish behavior and outdoor conditions. Normal pressure provides excellent fishing conditions as fish are typically active.

Historical Context for Sioux Falls

Sioux Falls experiences seasonal pressure variations throughout the year. Winter months typically see more dramatic pressure changes due to storm systems moving through the region. Summer patterns tend to be more stable with less extreme pressure variations. The city's location at 43.546°N latitude influences these seasonal patterns.

Elevation and Atmospheric Pressure

At Sioux Falls's elevation of 1,470 feet above sea level, atmospheric pressure is significantly different than at sea level. For every 1,000 feet of elevation, atmospheric pressure decreases by approximately 1 inHg. All readings displayed are adjusted for local elevation to provide accurate, location-specific data.

Barometric Pressure Measurement

Barometric pressure is measured using a barometer, which can be either mercury-based or digital. The standard measurement is in inches of mercury (inHg), though millibars (mb) are also common. Standard sea level pressure is 29.92 inHg or 1,013.25 mb. Our data for Sioux Falls comes from professional weather stations and is updated every 15 minutes for accuracy.

Planning Your Day in Sioux Falls

With today's pressure reading of 29.95 inHg, Sioux Falls residents can expect typical weather patterns. This makes it good for most activities. For those sensitive to pressure changes, today's conditions suggest average conditions for most people.

Frequently Asked Questions

What is normal barometric pressure in Sioux Falls?

Normal barometric pressure in Sioux Falls typically ranges between 29.80 and 30.20 inHg (1,009 to 1,023 mb). Current conditions show normal pressure at 29.95 inHg, which is within the normal range.

How often is the pressure data updated?

Barometric pressure data for Sioux Falls updates every 15 minutes from professional weather stations. This ensures you always have the most current atmospheric readings for planning your activities and understanding current conditions.

How does pressure affect the weather in Sioux Falls?

Barometric pressure is a key indicator of weather changes. Normal pressure (29.80-30.20 inHg) suggests typical weather patterns for Sioux Falls with moderate conditions.

Why does barometric pressure change?

Barometric pressure changes due to the movement of air masses, weather systems, and temperature variations. High pressure systems bring sinking air and clear weather, while low pressure systems involve rising air and often bring clouds and precipitation. These systems constantly move across Sioux Falls, causing pressure fluctuations.

Can barometric pressure affect my health?

Yes, many people are sensitive to barometric pressure changes. Common effects include headaches, joint pain, sinus pressure, and changes in mood. Those with arthritis, migraines, or other chronic conditions may notice symptoms worsen with rapid pressure changes. Today's stable pressure conditions are less likely to trigger these symptoms.

What's the difference between inHg and millibars?

Both measure atmospheric pressure but use different scales. Inches of mercury (inHg) is commonly used in the United States, while millibars (mb) are used internationally. Today's Sioux Falls reading of 29.95 inHg equals 1,014 mb. Standard sea level pressure is 29.92 inHg or 1,013.25 mb.