A severe thunderstorm moved across northern Dawes county and produced some large hail.
Every event with a place to put it. Tap one for its entry below.
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.
The episode as NWS CYS wrote it up.
A severe thunderstorm moved across northern Dawes county and produced some large hail.
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 Cheyenne, WY wrote its last area forecast discussion before the first event at Jul 18, 2:05 PM MST, 4 hours 5 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE CHEYENNE WY 305 PM MDT FRI JUL 18 2008 .SHORT TERM...TONIGHT THROUGH SUNDAY...STRONGER CONVECTION THIS AFTERNOON HAS BEEN NORTH AND SOUTH OF CWA WITH BETTER UPPER DYNAMICS. PER LAPS DATA AND SPC DAY1 OUTLOOK THOUGH...POTENTIAL STILL EXISTS FOR SOME STRONG STORMS ALONG AND EAST OF A LINE FROM KDGW TO KIMBALL NEBRASKA INTO MID EVENING. MUCH OF THAT AREA WAS HINDERED A BIT BY COOL OUTFLOW AIR AND SUBSIDENCE BEHIND EARLY MORNING CONVECTION. BEST COVERAGE OF TSTMS SHOULD BE OVER THE NORTHERN CWA...AND ANOTHER MCS IS HINTED AT BY THE MODELS OVER NERN WY/WESTERN SD LATER TONIGHT. ON SATURDAY...RISING UPPER HEIGHTS AND WESTERLY FLOW ALOFT WILL PREVAIL. HAVE KEPT FORECAST DRY ON SATURDAY AS AIR MASS WILL BE DRIER/LESS UNSTABLE. UPPER HEIGHTS CONTINUE TO RISE SUNDAY WITH AN UPPER HIGH BUILDING OVER CO. SOME MOISTURE AND INSTABILITY WILL BE PRESENT OVER AND NEAR THE MOUNTAINS SUNDAY AFTERNOON...SO A LOW POP THERE LOOKS GOOD. KEPT THE REST OF CWA DRY INTO SUNDAY AFTERNOON. .LONG TERM...SUNDAY NIGHT THROUGH FRI... AN UPPER RIDGE WILL BE LOCATED OVER OR JUST SOUTH OF THE FORECAST AREA...AND WILL BE THE PRIMARY INFLUENCE ON THE WEATHER MON THROUGH FRI. MID AND UPPER LEVEL MONSOONAL MOISTURE WILL DRIFT NORTHWARD AND NORTHEASTWARD ON THE BACK SIDE OF THE UPPER RIDGE...BUT THE BEST MOISTURE WILL REMAIN LARGELY TO OUR SOUTH. ENOUGH MOISTURE WILL MAKE IT OVER THE FORECAST AREA TO WARRANT A CHANCE OF MAINLY AFTERNOON AND EVENING THUNDERSTORMS ALMOST DAILY. TEMPERATURES WILL BE ABOVE AVERAGE MON THROUGH FRI. && .AVIATION...OVERALL...VFR CONDITIONS EXPECTED TONIGHT THROUGH SATURDAY NIGHT. SOME TSTMS THIS EVENING MAY BRIEFLY REDUCE CEILINGS AND VSBYS INTO MVFR CATEGORY...ESPECIALLY AT KDGW/LUSK AND KCDR. THESE SAME LOCATIONS MAY ALSO HAVE A LOW CLOUD DECK AND SOME FOG LATE TONIGHT AND EARLY SATURDAY MORNING. && .FIRE WEATHER...SATURDAY WILL BRING HOT TEMPS AND LOW HUMIDITIES WITH NEAR RED FLAG CONDITIONS DEVELOPING OVER ALBANY AND CARBON COUNTIES. WINDS WILL MAINLY STAY IN THE RANGE OF 15G25 MPH THOUGH SO HELD OFF ON A WATCH FOR NOW. && .CYS WATCHES/WARNINGS/ADVISORIES... WY...NONE. NE...NONE. && JLH/JR
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 1100 AM MDT FRI JUL 18 2008 WYZ059-061>070-191115- CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE-PLATTE-GOSHEN- CHEYENNE FOOTHILLS-PINE BLUFFS- 1100 AM MDT FRI JUL 18 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND THEN CONTINUE INTO THE EVENING. SMALL HAIL...BRIEF HEAVY RAIN AND GUSTY WINDS NEAR 50 MPH ARE POSSIBLE WITH THE STORMS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A SLIGHT CHANCE OF LATE DAY THUNDERSTORMS IN THE MOUNTAINS ON SUNDAY. THERE IS ALSO A SLIGHT CHANCE OF LATE DAY THUNDERSTORMS ACROSS THE ENTIRE AREA MONDAY AND TUESDAY...AND EAST OF THE LARAMIE RANGE ON WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ001>003-019>021-054-055-WYZ060-191115- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE-NIOBRARA- 1100 AM MDT FRI JUL 18 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND CONTINUE THROUGH THE EVENING HOURS. SOME OF THE STORMS MAY BECOME SEVERE WITH LARGE HAIL...WIND GUSTS OVER 60 MPH AND HEAVY RAIN. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THERE IS A SLIGHT CHANCE OF LATE DAY THUNDERSTORMS MONDAY THROUGH WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 331 PM MDT FRI JUL 18 2008 WYZ059-182245- CONVERSE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK 331 PM MDT FRI JUL 18 2008 ...STRONG THUNDERSTORM MOVING ACROSS NORTHWEST CONVERSE COUNTY... AT 325 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM MOVING EAST-NORTHEAST ACROSS NORTHWEST CONVERSE COUNTY AT AROUND 35 MPH. PEA SIZED HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO AROUND 50 MPH CAN BE EXPECTED WITH THIS THUNDERSTORM AS IT MOVES ACROSS RURAL NORTHWEST CONVERSE COUNTY THROUGH 415 PM MDT. CARPENTER
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 359 PM MDT FRI JUL 18 2008 WYZ059-060-190000- CONVERSE-NIOBRARA- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK 359 PM MDT FRI JUL 18 2008 ...STRONG THUNDERSTORM MOVING ACROSS EASTERN CONVERSE COUNTY AND NIOBRARA COUNTY... AT 355 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF STRONG THUNDERSTORMS MOVING EAST-NORTHEAST ACROSS EASTERN CONVERSE COUNTY AT AROUND 35 MPH. PEA SIZED HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO AROUND 50 MPH CAN BE EXPECTED WITH THESE THUNDERSTORMS AS THEY MOVE INTO AND ACROSS NIOBRARA COUNTY THROUGH 500 PM MDT. CARPENTER
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 505 PM MDT FRI JUL 18 2008 WYZ060-190015- NIOBRARA- INCLUDING THE CITY OF...LUSK 505 PM MDT FRI JUL 18 2008 ...STRONG THUNDERSTORM MOVING ACROSS NORTHEAST NIOBRARA COUNTY... AT 500 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM MOVING NORTHEAST ACROSS NORTHEAST NIOBRARA COUNTY AT AROUND 25 MPH. PEA SIZED HAIL...BRIEF HEAVY RAIN AND WIND GUSTS TO AROUND 50 MPH CAN BE EXPECTED WITH THIS THUNDERSTORM. AREAS ALONG AND NEAR U.S. HIGHWAY 85 FROM HAT CREEK TO MULE CREEK JUNCTION WILL BE AFFECTED BY THIS THUNDERSTORM THROUGH 600 PM MDT. CARPENTER
The Rapid City radar (KUDX), 137 km away, was scanning. The volume nearest the first event began at 00:58 UTC.
1 hail. Local standard time, as filed.
Many reports of hail around nickel size received from around Chadron, NE.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Nebraska in 2008Every state in 2008This day in weather historyWarnings in Nebraska, July 2008
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: 103870.