Idaho, 2018

Wildfire in Idaho, July 15 to 17, 2018

July 15 to 17, 2018 · NWS PIH · 1 event in 1 county or zone

A wildfire began on July 15th 5 miles east of Sage Junction south of Highway 33 due to exploding targets from gunfire practice. It was near Menan Butte.

Where it happened

Every event with a place to put it; 1 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
1

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 PIH wrote it up.

A wildfire began on July 15th 5 miles east of Sage Junction south of Highway 33 due to exploding targets from gunfire practice. It was near Menan Butte. The fire grew to around 1,000 acres over grass and brush. Highway 33 was closed for a short time.

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 Pocatello, ID wrote its last area forecast discussion before the first event at Jul 15, 12:30 PM MST, 3 hours 15 minutes earlier.

Area forecast discussion, Jul 15, 12:30 PM MST, 3 hours 15 minutes before
Area Forecast Discussion
National Weather Service Pocatello ID
130 PM MDT Sun Jul 15 2018

.DISCUSSION...A little moist sub tropical air moving north
through Nevada this afternoon will combine with a disturbance
approaching from the Oregon/Nevada border area to produce some
isolated thunderstorm activity overnight from Oakley north to
Stanley. This activity advances into the Snake Plain Monday morning,
while loosing some instability, decreasing lightning as it does.
Expect it will loose organization during the day, resulting in
showers/thunderstorms over the mountain areas, including the southern
highlands as well as Monida Pass to Island Park. By Tuesday morning,
the tail end of these showers will be exiting east of the state.
Model outlooks for the rest of the week are currently dry. Although
both current and future model runs may show a hint of instability
along the Idaho/Utah border with monsoon moisture occasionally
brushing that area. cloud cover will trim a few degrees off
temperatures on Monday, otherwise valley temperatures should be in the
lower to middle 90s through next weekend. RS

&&

.AVIATION...Main focus through the period will be convection
associated with mid-level shortwave this evening through tomorrow
morning. NAM favors a wetter pattern while GFS is drier overall.
Best chance for thunder will be BYI and SUN tonight with showers
possible around sunrise at PIH, IDA and DIJ. Sites should remain VFR
through the period. Hinsberger

&&

.FIRE WEATHER...Still low confidence in sufficient thunderstorm
coverage to warrant a red flag tonight. A mid-level shortwave will
make its way across the forecast area tomorrow, which will be the
focus of convective activity. Greater cloud cover spreading across
southeast and Central Idaho should keep temperatures down. Main
thing to watch for is early evening convection with models
suggesting deep convection along our southern border as well as
around Monida Pass and the Island Park area. These areas of
convection coincide with PW over 1.00 inches, so wetting rain
potential could curtail critical fire concerns. A drier weather
pattern will prevail for much of the rest of the week. Temperatures
should be in the low to mid 90s with humidity bottoming out around
15 to 20 percent. Hinsberger

&&

.PIH WATCHES/WARNINGS/ADVISORIES...None.

&&

The radar

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

Open the radar archive at this moment

Event by event

1 wildfire. Local standard time, as filed.

Wildfire, Upper Snake River Plain

When
July 15, 3:45 PM MST to July 17, 10:00 AM MST
Where
Upper Snake River Plain forecast zone
Reported by
Park/Forest Service
Coordinates
43.805, -111.767 (the zone’s center; the record gives no point)

A wildfire began on July 15th 5 miles east of Sage Junction south of Highway 33 due to exploding targets from gunfire practice. It was near Menan Butte. The fire grew to around 1,000 acres over grass and brush. Highway 33 was closed for a short time.

What these are

Wildfire
A fire burning in wildland vegetation, with its acreage and damage where known.

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

The same day elsewhere

More

Every storm in Idaho in 2018Every state in 2018This day in weather historyWarnings in Idaho, July 2018

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 2026-09-24. Each event’s entry at NCEI: 776814.