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000
AWUS85 KGGW 190942
RWSGGW

REGIONAL WEATHER SUMMARY
NATIONAL WEATHER SERVICE GLASGOW MT
340 AM MDT WED JUN 19 2013

THIS IS THE REGIONAL WEATHER SUMMARY FOR THE EASTERN TWO THIRDS OF
MONTANA...SOUTHERN SASKATCHEWAN...AND WESTERN NORTH DAKOTA.

AN UPPER LEVEL LOW PRESSURE SYSTEM OVER THE WESTERN STATES WILL
BREAK DOWN THE UPPER RIDGE AS IT TRACKS EAST TODAY. A SURFACE LOW
WILL DRIFT ACROSS THE STATE TODAY DRAGGING A COLD FRONT WITH IT...
THUNDERSTORMS WILL INITIATE AHEAD OF AND ALONG THE FRONT.

CLOUD COVER WILL INCREASE FROM WEST TO EAST TODAY. CHANCES FOR
WIDESPREAD SHOWERS AND THUNDERSTORMS WILL BE MUCH HIGHER DURING THE
AFTERNOON AND EVENING HOURS... ESPECIALLY FOR THE NORTHERN
TWO-THIRDS OF THE REGION. HEAVY RAIN AND LARGE HAIL MAY ACCOMPANY
ANY OF THESE STORMS. AFTERNOON HIGHS WILL BE IN THE 80S AND 90S AND
THE OVERNIGHT LOWS WILL MOSTLY BE IN THE 50S AND 60S.

THURSDAY WILL BE A BIT COOLER WITH SHOWERS AND THUNDERSTORMS
LINGERING IN THE AREA. HIGHS WILL GENERALLY BE IN THE 70S WITH A FEW
80S ACROSS EASTERN PORTIONS OF THE REGION.

THE UV INDEX FOR TODAY WILL RANGE FROM 8 TO 10...IN THE VERY HIGH
CATEGORY.

$$

AEC

UV INDEX SCALE:
2 OR LESS=LOW: LOW DANGER FROM THE SUN`S RAYS FOR THE AVERAGE
PERSON.
3 TO 5=MODERATE: MODERATE RISK OF HARM FROM UNPROTECTED SUN
EXPOSURE.
6 TO 7=HIGH: HIGH RISK OF HARM FROM UNPROTECTED SUN EXPOSURE.
8 TO 10=VERY HIGH: VERY HIGH RISK OF HARM FROM UNPROTECTED SUN
EXPOSURE.
11+=EXTREME: EXTREME RISK OF HARM FROM UNPROTECTED SUN EXPOSURE.

FOR FURTHER DETAILS VISIT: WWW.EPA.GOV/SUNWISE/UVISCALE.HTML