Hourly Weather | Today Tuesday, June 9, 2026
Active Weather Warnings
St. Joseph, Missouri
8 PM
Cloudy Weather
88°
Feels Like 90°
6
Humidity: 60%
UV Index: 0
Wind: 16 mph
9 PM
Cloudy Night
84°
Feels Like 88°
6
Humidity: 66%
UV Index: 0
Wind: 14 mph
10 PM
Cloudy Night
82°
Feels Like 86°
6
Humidity: 69%
UV Index: 0
Wind: 14 mph
11 PM
Night
82°
Feels Like 84°
6
Humidity: 71%
UV Index: 0
Wind: 14 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 3.07 µg/m³
  • PM10: 4.1 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.6 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

9 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.12 µg/m³
  • PM10: 4.35 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

10 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.26 µg/m³
  • PM10: 4.72 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

11 PM
29 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.52 µg/m³
  • PM10: 5.24 µg/m³
  • O3: 0.031 ppm
  • NO2: 0.7 ppb
  • SO2: 0.2 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

Weather Alerts and Warnings for St. Joseph

Moderate Expected Likely

Heat Advisory

Heat Advisory issued June 9 at 4:36PM CDT until June 9 at 10:00PM CDT by NWS Kansas City/Pleasant Hill MO
Jun 9, 4:36 PM Jun 9, 10:00 PM
WHAT: Heat index values up to 105.

WHERE: Portions of northeast Kansas and north central, northwest,
and west central Missouri.

WHEN: Until 10 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 9, 7:34 PM Source: NWS Alert