Today | Weather | Thursday, July 16, 2026
Active Weather Warnings

Weather in Rochester, Minnesota

01:41 AM
Now
Rainy Weather
77° F
Feels Like 81°
Precipitation 42 %
Wind 2 mph
Humidity 83 %
Today
Sunny with a Chance of Thunderstorms
Day 90°
Night 72°
Precipitation 55 %
Wind 5 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Rochester Weather Forecast Updated

44 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 16, 2025)
Stormy Weather

Day

73°

Night

52°

Wind

8 mph

UV Index

2

Precipitation

99 %

Air Quality in Rochester

NOW
37 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.98 µg/m³
PM10 9.91 µg/m³
O3 0.015 ppm
NO2 5 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 15.69 µg/m³
NO 0.03 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.58.98 µg/m³
PM109.91 µg/m³
O330.26 µg/m³
NO29.32 µg/m³
SO20.21 µg/m³
CO141.99 µg/m³
NH315.69 µg/m³
NO0.03 µg/m³

Weather Alerts and Warnings for Rochester

Air Quality Alert

Air Quality Alert issued July 15 at 9:06PM CDT by NWS La Crosse WI
Jul 15, 9:06 PM Jul 17, 11:00 AM
WHAT: The Minnesota Pollution Control Agency has issued an Air
Quality Alert for fine particles pollution. The Air Quality Index
(AQI) is expected to reach the Red or Unhealthy category.

WHERE: Southeastern Minnesota.

WHEN: Until 11 AM CDT Friday.

IMPACTS: Some members of the general public may experience health
effects. Sensitive groups, such as people with lung disease
(including asthma), heart disease, and children and older adults, may
experience health effects.

ADDITIONAL DETAILS: Dense smoke is being pulled by a quasi-
stationary front across southern Minnesota. Smoke will arrive along
the I-90 corridor Wednesday evening. The smoke will have a rapid
onset with visibility rapidly declining. There will be a sharp
gradient of smoke, with some areas of the same counties experiencing
Good/Green air quality while other experience Red/Unhealthy for All
conditions as the front slowly moves south. Conditions will gradually
improve by Friday morning as the front retreats northward.
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Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should remain indoors and keep activity levels low. The general public should avoid physical activities outdoors. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices.
Updated: Jul 16, 12:56 AM Source: NWS Alert