Montana Drought Monitor

Weather for Missoula, Montana

Montana Hydrologic Information Statement

Lat: 46.87N, Lon: 113.99W
Wx Zone: MTZ005

The Montana Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of Montana land area in each drought level compared to the previous week.

Read an explanation of the drought intensities and what they mean.

Important Note: Never make important decisions based on this information or any weather information
obtained from the Internet. Find out why.

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Note that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential.

000
FGUS75 KMSO 121752
ESFMSO
IDC035-049-MTC029-047-053-061-089-131900-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE MISSOULA MT
1052 AM MST SUN DEC 12 2010 /952 AM PST SUN DEC 12 2010/

...A PACIFIC WEATHER SYSTEM WILL BRING RAIN THROUGH TUESDAY
MORNING...

A WARM AND MOIST PACIFIC WEATHER SYSTEM HAS BEGUN TO MOVE OVER THE
NORTHERN ROCKIES AND IS EXPECTED TO REMAIN IN PLACE THROUGH EARLY
TUESDAY. A RATHER STEADY STREAM OF PRECIPITATION WILL CROSS THE
REGION DURING THIS TIME...WITH ANY REMAINING SNOWFALL CHANGING
OVER TO RAIN. SNOW LEVELS WILL RISE INTO THE 6500 TO 7000 FOOT
RANGE...EXCEPT FOR LOCATIONS CLOSEST TO THE MONTANA/CANADA
BORDER...WHERE SNOW LEVELS ARE EXPECTED TO REMAIN AROUND 4000
FEET. A COLD FRONT WILL CROSS THE NORTHERN ROCKIES ON TUESDAY AND
ONCE AGAIN LOWER SNOW LEVELS AREAWIDE BY TUESDAY
AFTERNOON...CHANGING PRECIPITATION BACK TO SNOW OR A RAIN/SNOW
MIX.

TOTAL RAINFALL AMOUNTS OF 1.25 TO 1.75 INCHES ARE POSSIBLE
THROUGH TUESDAY...WITH THE HEAVIEST AMOUNTS FOCUSED ACROSS NORTH
CENTRAL IDAHO AND NORTHWEST MONTANA. LIGHTER AMOUNTS OF UP TO ONE
INCH ARE POSSIBLE ACROSS THE FLATHEAD AND MISSION VALLEYS.

AREAS THAT CURRENTLY HAVE ACCUMULATED SNOW ON THE GROUND...AND
THOSE WHO EXPERIENCED MODERATE SNOWFALL AMOUNTS PRIOR TO THE
CHANGEOVER TO ALL RAIN...WILL BE MOST SUSCEPTIBLE TO PONDING OF
WATER IN STREETS AND ALONG HIGHWAYS. THERE MAY ALSO BE LOCAL
DRAINAGE PROBLEMS DUE TO A COMBINATION OF RAIN AND SLUSHY SNOW.
MINOR RISES ARE POSSIBLE IN SMALL STREAMS AND RIVERS IN AREAS OF
HEAVIEST RAINFALL...HOWEVER NO FLOODING IS EXPECTED AT THIS TIME.

$$