Montana, 2022

Heavy Rain in Montana, June 18 to 21, 2022

June 18 to 21, 2022 · NWS TFX · 29 events in 9 counties and zones

A potent upper level disturbance initially brought showers and thunderstorms to the region, but transitioned to a more stratiform event that produced many heavy rain reports.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
29

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS TFX wrote it up.

A potent upper level disturbance initially brought showers and thunderstorms to the region, but transitioned to a more stratiform event that produced many heavy rain reports.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Great Falls, MT wrote its last area forecast discussion before the first event at Jun 18, 4:40 AM MST, 1 hour 20 minutes earlier.

Area forecast discussion, Jun 18, 4:40 AM MST, 1 hour 20 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>

In the hours before

Special weather statement, Jun 18, 12:03 AM MST, 5 hours 57 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>
Special weather statement, Jun 18, 3:17 AM MST, 2 hours 43 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>
Special weather statement, Jun 18, 3:41 AM MST, 2 hours 19 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 radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

29 heavy rain. Local standard time, as filed.

Heavy Rain, Blaine

When
June 18, 6:00 AM MST to June 19, 6:00 AM MST
Where
Blaine County, 7.27 mi SSE of Hogeland
Reported by
CoCoRaHS
Coordinates
48.750, -108.600

Twenty-four hour report from cocorahs.

Heavy Rain, Glacier

When
June 18, 7:05 AM MST to June 21, 7:05 AM MST
Where
Glacier County, 0.91 mi W of Sundance
Reported by
Public
Coordinates
48.630, -112.590

Total rain since Saturday.

Heavy Rain, Fergus

When
June 18, 1:40 PM MST to June 19, 1:40 PM MST
Where
Fergus County, 17.04 mi SSE of Piper
Reported by
Mesonet
Coordinates
46.750, -109.020

Twentyfour hour rainfall total.

Heavy Rain, Fergus

When
June 18, 6:40 PM MST to June 19, 6:40 PM MST
Where
Fergus County, 17.04 mi SSE of Piper
Reported by
Mesonet
Coordinates
46.750, -109.020

Twenty-four hour rainfall total.

Heavy Rain, Cascade

When
June 19, 4:50 AM MST to June 21, 4:50 AM MST
Where
Cascade County, 7.53 mi W of Eden
Reported by
Trained Spotter
Coordinates
47.280, -111.430

Two day storm total.

Heavy Rain, Glacier

When
June 19, 10:00 PM MST to June 20, 12:15 PM MST
Where
Glacier County, 2.76 mi SW of Sundance
Reported by
Trained Spotter
Coordinates
48.600, -112.610

Updated rainfall report since Sunday evening.

Heavy Rain, Glacier

When
June 19, 10:30 PM MST to June 20, 6:30 AM MST
Where
Glacier County, 2.76 mi SW of Sundance
Reported by
Trained Spotter
Coordinates
48.600, -112.610

Eight hour rainfall total.

Heavy Rain, Glacier

When
June 20, 12:45 AM MST to 6:45 AM MST
Where
Glacier County, 1.15 mi NW of Family
Reported by
Trained Spotter
Coordinates
48.480, -112.740

Six hour rainfall total.

Heavy Rain, Glacier

When
June 20, 7:00 AM MST
Where
Glacier County, 5.03 mi SSW of Blackfoot
Reported by
Mesonet
Coordinates
48.510, -112.930

Rain report from mesonet station shbm8 5.2 SE Browning.

Heavy Rain, Glacier

When
June 20, 7:10 AM MST
Where
Glacier County, 0.83 mi SSW of St Mary
Reported by
Mesonet
Coordinates
48.740, -113.430

Rainfall report at mesonet station mrym8 Glacier Park St Marys.

Heavy Rain, Glacier

When
June 20, 7:21 AM MST
Where
Glacier County, 0.83 mi SSE of Browning
Reported by
Mesonet
Coordinates
48.560, -113.010

Bgrm8 Browning raws.

Heavy Rain, Glacier

When
June 20, 7:21 AM MST
Where
Glacier County, 6.16 mi ESE of Bison
Reported by
Mesonet
Coordinates
48.360, -113.110

Dcrm8 Deep Creek Raws.

Heavy Rain, Glacier

When
June 20, 7:56 AM MST
Where
Glacier County, (Ctb)cutbank Muni Ar
Reported by
ASOS
Coordinates
48.600, -112.370

Asos station KCTB Cut Bank Airport rainfall.

Heavy Rain, Glacier

When
June 20, 5:00 PM MST
Where
Glacier County, 5.03 mi SSW of Blackfoot
Reported by
Mesonet
Coordinates
48.510, -112.930

Shbm8 5.2 se Browning.

Heavy Rain, Glacier

When
June 20, 5:10 PM MST
Where
Glacier County, 0.83 mi SSW of St Mary
Reported by
Mesonet
Coordinates
48.740, -113.430

Glacier Park St Marys mrym8.

Heavy Rain, Glacier

When
June 20, 5:21 PM MST
Where
Glacier County, 0.83 mi SSE of Browning
Reported by
Mesonet
Coordinates
48.560, -113.010

Browning Raws bgrm8.

Heavy Rain, Glacier

When
June 20, 5:21 PM MST
Where
Glacier County, 6.16 mi ESE of Bison
Reported by
Mesonet
Coordinates
48.360, -113.110

Deep Creek Raws dcrm8.

Heavy Rain, Meagher

When
June 20, 5:32 PM MST
Where
Meagher County, 19.26 mi NE of Ft Logan
Reported by
Mesonet
Coordinates
46.900, -110.920

Tt407 Firelab qd no. 2.

Heavy Rain, Glacier

When
June 20, 5:45 PM MST
Where
Glacier County, 22.23 mi WNW of Babb
Reported by
Mesonet
Coordinates
48.960, -113.890

Gtom8 19.7 nw Logan Pass.

Heavy Rain, Glacier

When
June 20, 5:56 PM MST
Where
Glacier County, (Ctb)cutbank Muni Ar
Reported by
ASOS
Coordinates
48.600, -112.370

Asos station kctb.

Heavy Rain, Toole

When
June 20, 6:00 PM MST
Where
Toole County, 0.69 mi N of Shelby Arpt
Reported by
Mesonet
Coordinates
48.540, -111.870

Gw0664 Shelby Airport.

Heavy Rain, Toole

When
June 20, 6:05 PM MST
Where
Toole County, 1.14 mi SW of Kevin
Reported by
Mesonet
Coordinates
48.740, -111.970

Dw0975 Kevin.

Heavy Rain, Glacier

When
June 20, 6:56 PM MST
Where
Glacier County, (Ctb)cutbank Muni Ar
Reported by
ASOS
Coordinates
48.600, -112.370

Updated value at asos kctb.

Heavy Rain, Cascade

When
June 20, 10:00 PM MST to June 21, 5:51 AM MST
Where
Cascade County, 7.16 mi SSE of Ulm
Reported by
Trained Spotter
Coordinates
47.330, -111.480

Overnight total.

Heavy Rain, Teton

When
June 21, 7:16 AM MST
Where
Teton County, 0.93 mi E of Power
Reported by
Public
Coordinates
47.720, -111.660

Social media report.

Heavy Rain, Pondera

When
June 21, 8:13 AM MST
Where
Pondera County, 0.69 mi S of Dupuyer
Reported by
Public
Coordinates
48.190, -112.500

Social media report.

Heavy Rain, Lewis and Clark

When
June 21, 8:19 AM MST
Where
Lewis and Clark County, 0.83 mi SW of Augusta
Reported by
Public
Coordinates
47.490, -112.390

Social media report.

Heavy Rain, Teton

When
June 21, 8:35 AM MST
Where
Teton County, Fairfield
Reported by
Public
Coordinates
47.620, -111.980

Social media report.

Heavy Rain, Cascade

When
June 21, 9:01 AM MST
Where
Cascade County, 1.46 mi SSE of Great Falls
Reported by
Public
Coordinates
47.500, -111.290

Social media report.

What these are

Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Montana in 2022Every state in 2022This day in weather historyWarnings in Montana, June 2022

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1039211, 1039243, 1039212, 1039213, 1039238, 1039222, 1039215, 1039216, 1039217, 1039218, 1039219, 1039220, 1039221, 1039223, 1039224, 1039226, 1039227, 1039228, 1039230, 1039232, 1039234, 1039236, 1039237, 1039240, 1039245, 1039246, 1039248, 1039249, 1039250.