The National Weather Service in Billings has issued a
* Severe Thunderstorm Warning for...
Southwestern Yellowstone County in south central Montana...
* Until 800 PM MDT.
* At 709 PM MDT, a severe thunderstorm was located 7 miles west of
Billings West End, or 11 miles west of Billings, moving east at
35 mph.
HAZARD...55 to 65 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Possible damage to roofs, siding, and trees.
* Locations impacted include...
Billings, Lockwood, Billings Heights, Billings West End, Acton, and
Comanche.
This replaces the warning previously in effect for this area.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Wind damage with this storm may occur before any rain or lightning.
Do not wait for the sound of thunder before taking cover. SEEK
SHELTER IMMEDIATELY inside a sturdy structure and stay away from
windows.
&&
HAIL THREAT...RADAR INDICATED;
MAX HAIL SIZE...<.75 IN;
WIND THREAT...RADAR INDICATED;
MAX WIND GUST...60 MPH
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM MDT THIS
EVENING...
* IMPACTS: Low humidities, hot temperatures, strong gusty winds,
wind shift with a cold front, and increasing thunderstorm
activity will create erratic fire behavior and new fire starts.
* AFFECTED AREA:
In North Central WY Fire Zones...274...284.
In South Central MT Fire Zones...123...124...125...126...127
128...129.
In Southeast MT Fire Zones...130...131...132.
In Southeast MT and Northwest SD Fire Zone...133.
* COUNTIES AFFECTED:
In Central MT...Golden Valley...Musselshell...Wheatland.
In North Central WY...Big Horn...Johnson...Sheridan...Washakie.
In Northwest SD...Harding.
In South Central MT...Big Horn...Carbon...Park...Stillwater
Sweet Grass...Yellowstone.
In Southeast MT...Carter...Custer...Fallon...Powder River
Rosebud...Treasure.
In Southwest MT...Gallatin.
* COLD FRONT: A cold front will cross the district from west to
east tonight.
* WIND: South to southwest 10 to 20 mph with gusts up to 35 mph
during the afternoon and early evening. Highest gusts will be
along the western foothills and in zone 133. Winds will shift to
the northwest behind the cold front tonight.
* THUNDERSTORMS: Scattered thunderstorms in the late afternoon and
evening have the potential to produce strong and erratic wind
gusts. Rainfall will be spotty.
* HUMIDITY: From the single digits east to near 20 percent west.
* TEMPERATURES: From the mid 90s west to near 109 east.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A Red Flag Warning means that critical fire weather conditions are
either occurring now, or will shortly. A combination of strong
winds, low relative humidity, and warm temperatures can contribute
to extreme fire behavior.
&&
...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...
* WHAT...Dangerously hot conditions with temperatures up to 108
degrees. The hottest temperatures will be east of Billings today.
* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.
* WHEN...Until 9 PM MDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
