Nogales Forecast

landscape image of nogales, AZ

Air Quality Hourly Forecast | Nogales

Click on each day to view forecast.

Monday Forecast:


PM10

63 AQI
24-hr Avg: 80 µg/m3

PM2.5

71 AQI
24-hr Avg: 21.8 µg/m3

Tuesday Forecast:


PM10

38 AQI
24-hr Avg: 41 µg/m3

PM2.5

53 AQI
24-hr Avg: 13.0 µg/m3

Wednesday Forecast:


PM10

20 AQI
24-hr Avg: 22 µg/m3

PM2.5

34 AQI
24-hr Avg: 8.1 µg/m3

Thursday Forecast:


PM10

22 AQI
24-hr Avg: 24 µg/m3

PM2.5

34 AQI
24-hr Avg: 8.2 µg/m3

Friday Forecast:


PM10

34 AQI
24-hr Avg: 37 µg/m3

PM2.5

55 AQI
24-hr Avg: 14.0 µg/m3

Air Quality By Pollutant:

Pollutant
Monday
11/18/2019
Tuesday
11/19/2019
Wednesday
11/20/2019
Thursday
11/21/2019
Friday
11/22/2019
PM10
63
38
20
22
34
PM2.5
71
53
34
34
55
Pollutant
MON
TUE
WED
THU
FRI
PM10
63
38
20
22
34
PM2.5
71
53
34
34
55
O3 = Ozone, PM10 = Particles ≤ 10 microns, PM2.5 = Particles ≤ 2.5 microns

Forecast Discussion:

The stage is set for some significant weather changes moving into the forecast starting tomorrow. But first, we have to talk about today. High pressure this morning is elongated from about Las Vegas back through Central California. The area of high pressure will weaken and shift southeast through Arizona today, which will result in weaker winds and continued warm temperatures.

Now it's time to look at the more exciting weather starting tomorrow through the end of the week. Water vapor really shows the set-up well. A well-defined cutoff low-pressure system is sitting off the coast of Baja. This system was able to pull in a decent amount of moisture from former Tropical Storm Raymond. At the same time, a trough of low pressure is developing off the coast of the Pacific Northwest. These two storm systems will come together over Arizona late Tuesday through Thursday, resulting in a near 100 percent chance of rain.

Rain chances are forecast to increase Tuesday as the cutoff low moves northeast into the state. This first system will import plenty of subtropical moisture into the region leading to the chance for heavy rain across the region. As this system slowly leaves the region, the trough of low pressure noted above will dive into the state from the northwest. The energy of this storm will be able to interact with the subtropical moisture already in place, leading to another excellent chance of rain Wednesday afternoon into Thursday. Rain chances are forecast to come to an end late Thursday night.

Overall, rain totals in Nogales could range from 0.50-1 inch. Temperatures will also see a significant drop, with forecast high temperatures on Thursday and Friday in the mid/upper 50s!

As for air quality, with the rain, PM-10 and PM-2.5 are expected to be in the Moderate AQI category today before quickly dropping Tuesday through Thursday. By Friday, with cooling tempratures and calmer winds, expecting both PM-10 and PM-2.5 to quickly rise.

Have a great Monday, and hope you are looking forward to the rain as much as we are!

- M. Pace
ADEQ Meteorologist


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Monday: Yellow
Tuesday: Yellow

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