Montana, 2005

Heavy Rain in Montana, May 10, 2005

May 10, 2005 · NWS BYZ · 6 events in 4 counties and zones

6 heavy rain, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 6 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
6

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 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 Billings, MT wrote its last area forecast discussion before the first event at May 10, 2:24 PM MST, 1 hour 36 minutes earlier.

Area forecast discussion, May 10, 2:24 PM MST, 1 hour 36 minutes before
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Hazardous weather outlook, May 10, 4:44 AM MST, 11 hours 16 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

6 heavy rain. Local standard time, as filed.

Heavy Rain, Stillwater

When
May 10, 4:00 PM MST
Where
Stillwater County, Nye
Reported by
TRAINED SPOTTER
Coordinates
45.669, -109.395 (the zone’s center; the record gives no point)

1.58 inches of rain in Nye

Heavy Rain, Stillwater

When
May 10, 4:20 PM MST
Where
Stillwater County, 5 mi N of Reed Pt
Reported by
TRAINED SPOTTER
Coordinates
45.669, -109.395 (the zone’s center; the record gives no point)

1 inch of rain 5N Reed Point (12-hour total)

Heavy Rain, Carbon

When
May 10, 4:36 PM MST
Where
Carbon County, 6 mi S of Roscoe
Reported by
TRAINED SPOTTER
Coordinates
45.227, -109.028 (the zone’s center; the record gives no point)

2.12 inches of rain 6S Roscoe (24-hour total)

Heavy Rain, Wheatland

When
May 10, 5:00 PM MST
Where
Wheatland County, 8 mi SW of Shawmut
Reported by
TRAINED SPOTTER
Coordinates
46.466, -109.844 (the zone’s center; the record gives no point)

1.25 inches of rain (24-hour total)

Heavy Rain, Sweet Grass

When
May 10, 5:00 PM MST
Where
Sweet Grass County, 4 mi W of Melville
Reported by
TRAINED SPOTTER
Coordinates
45.814, -109.941 (the zone’s center; the record gives no point)

2.87 inches of rain 4W Melville (24-hour total)

Heavy Rain, Sweet Grass

When
May 10, 6:30 PM MST
Where
Sweet Grass County, 4 mi W of Melville
Reported by
TRAINED SPOTTER
Coordinates
45.814, -109.941 (the zone’s center; the record gives no point)

1.40 inches of rain 4W Melville (24-hour total)

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 2005Every state in 2005This day in weather historyWarnings in Montana, May 2005

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: 5450365, 5450366, 5450367, 5450368, 5450369, 5450439.