Hazardous Weather Outlook
Issued by NWS Cheyenne, WY

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28

153
FLUS45 KCYS 181134
HWOCYS

Hazardous Weather Outlook
National Weather Service Cheyenne WY
534 AM MDT Fri May 18 2018

NEZ002-003-019>021-054-055-095-096-WYZ101>119-191145-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Converse County Lower Elevations-
Niobrara County-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
534 AM MDT Fri May 18 2018

This hazardous weather outlook is for portions of western
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated strong to severe thunderstorms will be possible this
afternoon and early evening across far southeast Wyoming and
portions of the Nebraska Panhandle. Main hazards will be large
hail to the size of half dollars and gusty winds of 50-60 mph.

In addition, locally heavy rainfall for the southern Nebraska
Panhandle will be possible and could lead to local ponding of
water on roadways in low-lying or poor drainage areas. A flood
watch is in effect from 3pm through Saturday afternoon.

Accumulating snow will begin late tonight for elevations above
9000ft in the Snowy Mountain Range. Travelers and outdoor
enthusiasts should prepare now and take precautions in this area.
A winter weather advisory will be in effect over the weekend.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

Residual flooding concerns across saturated locations in the
southern Nebraska Panhandle could remain an issue as rain persists
Saturday.

Snow accumulations will continue Saturday and into early Sunday
morning for high elevations of the Snowy Range. Accumulations of 4
to 8 with localized 12 inches possible.

A continued unsettled weather pattern mid-week could also allow
for more pockets of heavy rainfall and flooding could be possible.

.Spotter information statement...

Spotter activation will not be needed.

$$

Allen



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.