The National Weather Service has issued a hazardous weather outlook statement for Albany County.

The storm will potentially produce heavy rainfall, dangerous lightning, strong winds, flash flooding, and conditions for possible tornado conditions will be present.

National Weather Service release:

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL WYOMING AND
SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED THUNDERSTORMS ARE POSSIBLE MAINLY AROUND THE
MOUNTAINS THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A CHANCE FOR AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE
THROUGH SUNDAY.
 Hydrological Outlook:
...RAIN ON SNOWMELT EVENT POSSIBLE MEMORIAL DAY WEEKEND FOR SOUTHEAST
WYOMING MOUNTAINS...

WIDESPREAD MODERATE RAIN IS EXPECTED TO MOVE OVER SOUTHEAST WYOMING
SATURDAY AND IS FORECASTED TO LAST UNTIL SUNDAY AFTERNOON. 1 INCH OF RAIN IS EXPECTED OVER THE LOWER ELEVATIONS WITH HIGHER AMOUNTS
EXPECTED OVER THE MOUNTAINS. SNOW LEVELS ARE EXPECTED TO REMAIN ABOVE 10000 FEET THROUGHOUT THE MODERATE RAIN EVENT.

ACTIVE SNOWMELT HAS BEEN OCCURRING ALONG THE 9000 TO 10000 FOOT ELEVATION FOR THE PAST WEEK. SNOWMELT RUNOFF IS EXPECTED TO INCREASE THURSDAY AND FRIDAY IN RESPONSE TO WARMING AFTERNOON TEMPERATURES AT THE 9000 FOOT ELEVATION.

VERY HIGH FLOWS CAN BE EXPECTED ALONG SMALL STREAMS AND CREEKS SATURDAY NIGHT THROUGH SUNDAY NIGHT IN RESPONSE TO RAINFALL AND SNOWMELT RUNOFF COMBINING FORCES. EXCESSIVE RUNOFF WILL CAUSE FLOODING OF LOW LYING AREAS ALONG SMALL CREEKS AND STREAMS. MAIN STEM RIVERS LIKE THE NORTH PLATTE, LARAMIE, MEDICINE BOW, AND LITTLE SNAKE WILL SEE HIGH FLOWS SUNDAY THROUGH MONDAY WITH EXCESSIVE RUNOFF FROM RAINFALL AND SNOWMELT.

RAINFALL AMOUNTS AND SPECIFIC TIMING OF THIS UPCOMING EVENT WILL CHANGE AS WE GET CLOSER TO THE WEEKEND. THE NWS WILL ISSUE FLOOD WATCHES AND WARNINGS WITH THIS EVENT WITH GREATER CONFIDENCE IN THE TIMING AND RAINFALL AMOUNT FORECASTS.

IF YOU ARE IN MOUNTAINS THIS HOLIDAY WEEKEND, PAY ATTENTION TO THE WEATHER AND TO CREEK AND STREAM LEVELS. DO NOT GET CLOSE TO FLOODEDCREEKS AND STREAMS, JUST MOVE TO HIGHER GROUND.