Hourly Weather | Today Tuesday, June 30, 2026
Active Weather Warnings
St. Paul, Minnesota
4 PM
Cloudy Weather
93°
Feels Like 97°
20
Humidity: 44%
UV Index: 5
Wind: 10 mph
5 PM
Cloudy Weather
91°
Feels Like 97°
20
Humidity: 53%
UV Index: 3
Wind: 10 mph
6 PM
Cloudy Weather
90°
Feels Like 93°
20
Humidity: 53%
UV Index: 2
Wind: 9 mph
7 PM
Cloudy Weather
88°
Feels Like 91°
15
Humidity: 52%
UV Index: 1
Wind: 8 mph
8 PM
Cloudy Weather
88°
Feels Like 90°
5
Humidity: 49%
UV Index: 1
Wind: 7 mph
9 PM
Cloudy Weather
86°
Feels Like 86°
5
Humidity: 52%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Night
82°
Feels Like 84°
6
Humidity: 60%
UV Index: 0
Wind: 5 mph
11 PM
Cloudy Night
81°
Feels Like 81°
7
Humidity: 67%
UV Index: 0
Wind: 5 mph

Hourly Air Quality Forecast - AQI (US EPA)

4 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 6.71 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.3 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

5 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.2 µg/m³
  • PM10: 6.64 µg/m³
  • O3: 0.030 ppm
  • NO2: 0.4 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

6 PM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.02 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

7 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 5.97 µg/m³
  • O3: 0.029 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

8 PM
23 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5.74 µg/m³
  • O3: 0.025 ppm
  • NO2: 1.1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

9 PM
19 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.020 ppm
  • NO2: 1.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

10 PM
21 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 4.99 µg/m³
  • PM10: 6.32 µg/m³
  • O3: 0.016 ppm
  • NO2: 1.9 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

11 PM
23 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.45 µg/m³
  • PM10: 6.99 µg/m³
  • O3: 0.014 ppm
  • NO2: 2.2 ppb
  • SO2: 0.1 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

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.
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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, 3:16 PM Source: NWS Alert