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US AQI

49Now
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43
392 AM
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355 AM
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338 AM
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3511 AM
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452 PM
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165 PM
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Air quality outlook

Worst hour each day

Today61Moderate
Thu 847Good
Fri 965Moderate
Sat 1053Moderate
Sun 1145Good

From our air-quality forecast models (GEOS-CF / GEFS aerosols). AQI uses the US EPA scale.

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About Pierre weather

Pierre is in Hughes County, South Dakota, United States at 44.37°, -100.35°. Right now it’s 55° and partly cloudy; today’s high is 76° with a 0% chance of rain.

South Dakota has a continental climate with wide temperature extremes, ranging from summer highs well above 100 degrees Fahrenheit to winter lows far below zero. The state is divided into distinct climate regions: the more humid eastern prairies and the semi-arid western plains and Black Hills. Pierre, one of the least-visited state capitals, has a climate marked by low humidity, ample sunshine, and strong temperature contrasts between seasons.