FNUS73 KARX 031658
FWSARX

SPOT FORECAST FOR BILLINGS...BUREAU OF INDIAN AFFAIRS
NATIONAL WEATHER SERVICE LA CROSSE WI
1158 AM CDT TUE MAY 3 2011

FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON MAY 03.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE
NATIONAL WEATHER SERVICE IN LA CROSSE.

.DISCUSSION...AN UPPER LEVEL SYSTEM OVER THE GREAT LAKES REGION
WILL KEEP CLOUDS OVER THE AREA FOR MUCH OF THE DAY. THERE MAY EVEN
BE A FEW FLURRIES OR SPRINKLES THROUGH THE AFTERNOON...BUT NO
MEASURABLE PRECIPITATION IS EXPECTED. HIGH PRESSURE WILL BUILD
INTO THE REGION LATE TODAY AND REMAIN OVER THE AREA THROUGH
WEDNESDAY. TEMPERATURES TODAY ARE EXPECTED TO TOP OUT BETWEEN 45
AND 50 DEGREES WITH A MINIMUM RELATIVE HUMIDITY BETWEEN 40 AND 45
PERCENT. WITH THE HIGH BUILDING INTO THE AREA...THE WINDS WILL BE
OUT OF THE NORTH AT SPEEDS UNDER 10 MPH. THE NEXT CHANCE OF RAIN
WILL BE WEDNESDAY NIGHT AND THURSDAY AS A COLD FRONT SLIDES ACROSS
THE REGION.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY. SCATTERED FLURRIES THROUGH THE
                    DAY. SCATTERED RAIN SHOWERS IN THE AFTERNOON.
TEMPERATURE.........44 AT IGNITION...MAX 48.
RH..................50 PERCENT AT IGNITION...MIN 44.
WIND (20 FT)........WINDS NORTH AT 6 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 5 TO 6 MPH.
CWR.................NONE.
HAINES INDEX........4 OR LOW AT IGNITION...MAX 4.
SMOKE DISPERSAL.....GOOD /49400 KNOT-FT/ AT IGNITION.
                    MAX...EXCELLENT /66700 KNOT-FT/.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (% OPAQUE)..100    100    98     84     84     68
WEATHER COV.....SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD SCTTRD
WEATHER TYPE....SNSHWR SNSHWR SNSHWR RNSHWR RNSHWR RNSHWR
TEMP............34     36     39     44     47     47
RH..............72     69     62     50     45     47
20 FT WIND......N 5    N 5    N 5    N 5    N 5    N 5
20 FT WIND GUST.
HAINES INDEX....4      4      4      4      4      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
TEMPERATURE.........MIN 29.
RH..................MAX 85 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 6 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
SMOKE DISPERSAL.....MIN...POOR /0 KNOT-FT/.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (% OPAQUE)..25     25     14     7      7      8
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............45     38     35     33     31     30
RH..............51     64     67     72     78     81
20 FT WIND......W 5    W 5    SW 0   N 2    N 2    N 2
20 FT WIND GUST.

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY.
TEMPERATURE.........MAX 64.
RH..................MIN 30 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE
                    AFTERNOON.

TIME (CDT)      7 AM   9 AM   11 AM  1 PM   3 PM   5 PM
SKY (% OPAQUE)..6      6      7      9      9      19
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............30     42     52     59     63     64
RH..............85     60     43     33     30     31
20 FT WIND......E 2    E 2    S 4    S 7    S 7    S 7
20 FT WIND GUST.              5      10     10     10

$$
FORECASTER...04
REQUESTED BY...DAVE PERGOLSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 20110503.BILLI.01/ARX