Alert archive / Arizona / Flood Watches in 2026

Flood Watch 9, NWS Tucson, AZ

August 28, 20265 counties in Arizona

NWS Tucson, AZ issued this flood watch at Aug 28, 2026, 1:58 PM MST for 5 counties in Arizona. It took effect at Aug 29, 2026, 11:00 AM MST. It was in force for 51 hr.

The area

The counties it named.

The facts

Issued: Aug 28, 2026, 1:58 PM MST (20:58 UTC)
In effect from: Aug 29, 2026, 11:00 AM MST
Expired: Aug 31, 2026, 1:44 PM MST
In force: 51 hr
Issued by: NWS Tucson, AZ
Flood severity: None

Counties Cochise County, AZ, Graham County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 43 km from the middle of the area, began a volume at 20:57 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this flood watch went out at Aug 28, 9:55 AM MST, 4 hours 3 minutes earlier.

Area forecast discussion, Aug 28, 9:55 AM MST, 4 hours 3 minutes before

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In the hours before

Local storm report, Aug 28, 8:55 AM MST, 5 hours 3 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 28, 9:53 AM MST, 4 hours 5 minutes before

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<head>
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Aug 28, 10:41 AM MST, 3 hours 17 minutes before

<!doctype html>
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<head>
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  <title>Service Notice</title>
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</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

Local storm report, Aug 28, 11:08 AM MST, 2 hours 50 minutes before

<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Service Notice</title>
  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
      </p>
      <p id="message2">
        Please try again in a few minutes.
      </p>
      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
      </p>
    </section>
  </main>
  <script src="index.js"></script>
</body>
</html>

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 27, 5:29 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Aug 27, 5:35 PM MST	Dust Storm Warning	TWC	Pima	25 min
Aug 27, 5:37 PM MST	Dust Storm Warning	TWC	Pima	53 min
Aug 27, 5:39 PM MST	Severe Thunderstorm Warning	TWC	Pinal	51 min
Aug 27, 5:51 PM MST	Flash Flood Warning	TWC	Pima	3 hr
Aug 27, 6:03 PM MST	Flash Flood Warning	TWC	Pinal	3 hr
Aug 27, 6:05 PM MST	Severe Thunderstorm Warning	TWC	Pima	40 min
Aug 27, 6:15 PM MST	Flash Flood Warning	TWC	Pima	3 hr
Aug 27, 6:19 PM MST	Flash Flood Warning	TWC	Pima	3 hr
Aug 27, 6:19 PM MST	Severe Thunderstorm Warning	TWC	Pima	26 min
Aug 27, 6:34 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	41 min
Aug 27, 6:40 PM MST	Severe Thunderstorm Warning	TWC	Pima	21 min
Aug 27, 6:52 PM MST	Areal Flood Advisory	TWC	Pima	3 hr
Aug 27, 7:15 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	2 hr
Aug 27, 7:27 PM MST	Dust Storm Advisory	TWC	Pima, Pinal	63 min

Nearby

Flood Watches in Arizona, 2026 Every flood watch in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.