Today | Weather | Tuesday, June 30, 2026

Active Weather Warnings

Heat Advisory

Weather in St. Paul, Minnesota

02:19 PM

Now

90° F

Feels Like 95°

Precipitation 20 %

Wind 12 mph

UV Index (0 - 11+) 9

Humidity 43 %

Today

Day 93°

Night 72°

Precipitation 49 %

Wind 10 mph

UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

St. Paul Weather Forecast Updated

33 minutes ago

Last updated on June 30, 2026 at 1:46 PM

Weather Forecast History

Last Year's Weather on This Day (June 30, 2025)

Day

82°

Night

63°

Wind

14 mph

UV Index

Precipitation

40 %

Air Quality in St. Paul

NOW

26 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 4.83 µg/m³

PM₁₀ 6.08 µg/m³

O₃ 0.029 ppm

NO₂ 0.3 ppb

SO₂ 0.1 ppb

CO 0.10 ppm

NH₃ 1.96 µg/m³

NO 0.13 µg/m³

PM_2.5 – 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)

PM_2.5 – 4.83 µg/m³

PM₁₀ – 6.08 µg/m³

O₃ – 56.12 µg/m³

NO₂ – 0.63 µg/m³

SO₂ – 0.3 µg/m³

CO – 108.93 µg/m³

NH₃ – 1.96 µg/m³

NO – 0.13 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for St. Paul

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 30 at 2:23AM CDT until June 30 at 9:00PM CDT by NWS Twin Cities/Chanhassen MN

Jun 30, 2:23 AM → Jun 30, 9:00 PM

WHAT: Heat index values up to 100 degrees.

WHERE: Portions of central, east central, south central, and
southeast Minnesota and northwest and west central Wisconsin.

WHEN: Until 9 PM CDT this evening.

IMPACTS: Hot temperatures and high humidity may cause heat
illnesses.

+ Read More

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Updated: Jun 30, 1:46 PM Source: NWS Alert