Hilo, HI

2:42 PM HST on February 11, 2012 (GMT -1000)
Elev: 335 ft
Lon: 155.1° W
Lat: 19.7° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground midday recap for Saturday, February 11, 2012.

Cold air poured into the Plains on Saturday, while snow showers developed in parts of the Northeast. A strong low pressure system that brought heavy rain to the Southern Plains and Southeast has advanced eastward and off the East Coast into the Atlantic Ocean. However, counter-clockwise flow around this system continued to push moisture into the Northeast, Great Lakes, and Ohio River Valley. In addition to cool air over the region, this allowed for snow showers to develop across Michigan and the Ohio River Valley. Snowfall accumulations ranged from 1 to 3 inches in most areas, with up to 5 inches at higher elevations of the Central Appalachians. Coastal regions remained slightly warmer, which maintained light rain showers from southern Maine through Virginia.

Behind this system, a dominant ridge of high pressure continued to build over the Plains. This system started to stretch eastward over the Mississippi Valley. Flow around this system pulled cold air in from central Canada and kept seasonable cool temperatures over the Central US. High temperatures only reached into the 30s in parts of northern Texas, while the Central and Northern Plains saw highs in the teens, with overnight lows in the negative teens.

Out West, cool conditions persisted with areas of wet weather as a trough of low pressure moved over the Pacific Northwest and into the Intermountain West and Great Basin. Rainfall totals and high elevation snow accumulation remained light. A few light rain showers extended into California as moist onshore flow persisted.
Weather Underground Broadcast Network
Hilo Weather at a Glance
Updated 2:06 PM HST
Weather Station - report
NOS_NWLON Hilo, HI, Hilo
Elevation
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Now
Overcast
Overcast
Temperature
74 °F
Feels Like 72 °F
Wind(mph)
1
Sunrise / Set
6:51 AM
6:17 PM
Moon
Waning Gibbous
Today
Rain Showers 79 °F
Rain Showers
70% chance of precipitation
Tonight
Rain Showers 61 °F
Rain Showers
60% chance of precipitation
Tomorrow
Rain Showers 79 | 61 °F
Rain Showers
60% chance of precipitation
Monday
Rain Showers 79 | 61 °F
Rain Showers
50% chance of precipitation
Tuesday
Rain Showers 79 | 61 °F
Rain Showers
30% chance of precipitation
Wednesday
Rain Showers 79 | 61 °F
Rain Showers
40% chance of precipitation
Today is forecast to be Much Warmer than yesterday.
Conditions
Pressure
30.20 in
Visibility
10.0 miles
Clouds
Scattered Clouds 2600 ft
Mostly Cloudy 6500 ft
Overcast 8000 ft
Moisture
Humidity
Rainfall
-
Not available.
Snow Depth
Not available.
METAR
SPECI PHTO 120008Z 09008KT 10SM SCT026 BKN065 OVC080 24/18 A3020 RMK AO2
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Weather Radio
Weather Radio Index
Temperature
Heat Index
72 °F
Wind
Speed / Dir
1 mph from ESE
Wind Gust
4.0 mph
Health
UV
2 out of 16
Pollen
Not available.
PM2.5
Good
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Big Island North and East
Today
rain Mostly cloudy. Showers likely in the morning...then scattered showers in the afternoon. Highs around 79 at the shore to around 68 at 4000 feet. South winds around 10 mph shifting to the east in the late morning and afternoon. Gusts up to 30 mph. Chance of rain 70 percent.
Tonight
nt_chancerain Mostly cloudy with scattered showers. Lows around 65 at the shore to around 51 at 4000 feet. Northeast winds around 10 mph and gusty. Chance of rain 50 percent.
Sunday
chancerain Partly sunny with scattered showers. Highs around 79 at the shore to around 68 at 4000 feet. East winds 10 to 15 mph with higher gusts. Chance of rain 50 percent.
Sunday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 42 to 68. Northeast winds around 10 mph and gusty. Chance of rain 50 percent.
Monday
chancerain Mostly sunny. Scattered showers in the morning...then isolated showers in the afternoon. Highs 60 to 81. East winds 10 to 15 mph with higher gusts. Chance of rain 40 percent.
Monday Night
nt_chancerain Partly cloudy with scattered showers. Lows 42 to 68. East winds up to 10 mph and gusty. Chance of rain 40 percent.
Tuesday
chancerain Mostly sunny with scattered showers. Highs 61 to 80. Southeast winds 10 to 15 mph. Chance of rain 40 percent.
Tuesday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 43 to 68. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Wednesday
chancerain Partly sunny with scattered showers. Highs 61 to 80. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Wednesday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 43 to 68. East winds 10 to 15 mph. Gusts up to 30 mph in the late evening and overnight. Chance of rain 50 percent.
Thursday
chancerain Partly sunny with scattered showers. Highs 60 to 80. East winds 10 to 15 mph with higher gusts. Chance of rain 50 percent.
Thursday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 42 to 68. Northeast winds 10 to 15 mph with gusts to 35 mph. Chance of rain 50 percent.
Friday
chancerain Partly sunny with scattered showers. Highs 60 to 79. East winds 10 to 20 mph with gusts to 35 mph. Chance of rain 50 percent.
Source: NWS at 3:40 am HST on February 11, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 96720
Saturday, 11
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
70%
Sunday, 12
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
60%
Monday, 13
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
50%
Tuesday, 14
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
30%
Wednesday, 15
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
40%
Thursday, 16
Rain Showers
79 | 61 °F
Rain Showers
Chance of
Precipitation
50%
Friday, 17
Rain Showers
77 | 61 °F
Rain Showers
Chance of
Precipitation
50%
Saturday, 18
Rain Showers
77 | NA
Rain Showers
Chance of
Precipitation
50%
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Today
rain Mostly cloudy. Showers likely in the morning...then scattered showers in the afternoon. Highs around 79 at the shore to around 68 at 4000 feet. South winds around 10 mph shifting to the east in the late morning and afternoon. Gusts up to 30 mph. Chance of rain 70 percent.
Tonight
nt_chancerain Mostly cloudy with scattered showers. Lows around 65 at the shore to around 51 at 4000 feet. Northeast winds around 10 mph and gusty. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 61 77 | 61 69 | 61 63 | 61
Wind 5 mph SSW 8 mph East 7 mph East 4 mph West
Humidity 95% 58% 76% 94%
Chance of Precip. 80% 80% 60% 60%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:51 AM
6:17 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Sunday
chancerain Partly sunny with scattered showers. Highs around 79 at the shore to around 68 at 4000 feet. East winds 10 to 15 mph with higher gusts. Chance of rain 50 percent.
Sunday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 42 to 68. Northeast winds around 10 mph and gusty. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 61 77 | 59 69 | 61 62 | 60
Wind 4 mph West 8 mph East 7 mph East 4 mph West
Humidity 96% 54% 75% 93%
Chance of Precip. 60% 60% 50% 50%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:51 AM
6:18 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Monday
chancerain Mostly sunny. Scattered showers in the morning...then isolated showers in the afternoon. Highs 60 to 81. East winds 10 to 15 mph with higher gusts. Chance of rain 40 percent.
Monday Night
nt_chancerain Partly cloudy with scattered showers. Lows 42 to 68. East winds up to 10 mph and gusty. Chance of rain 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 78 | 58 70 | 59 62 | 59
Wind 4 mph West 5 mph East 4 mph East 1 mph ESE
Humidity 91% 51% 71% 89%
Chance of Precip. 50% 50% 40% 40%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:50 AM
6:18 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Tuesday
chancerain Mostly sunny with scattered showers. Highs 61 to 80. Southeast winds 10 to 15 mph. Chance of rain 40 percent.
Tuesday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 43 to 68. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 77 | 60 68 | 61 63 | 62
Wind 3 mph ESE 13 mph ESE 9 mph ESE 6 mph SSE
Humidity 90% 54% 80% 92%
Chance of Precip. 40% 40% 40% 40%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:49 AM
6:19 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Wednesday
chancerain Partly sunny with scattered showers. Highs 61 to 80. Southeast winds 10 to 15 mph. Chance of rain 50 percent.
Wednesday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 43 to 68. East winds 10 to 15 mph. Gusts up to 30 mph in the late evening and overnight. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 63 74 | 63 68 | 63 63 | 62
Wind 6 mph South 10 mph SSE 9 mph ESE 4 mph ESE
Humidity 95% 69% 83% 96%
Chance of Precip. 40% 40% 40% 50%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:49 AM
6:19 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Thursday
chancerain Partly sunny with scattered showers. Highs 60 to 80. East winds 10 to 15 mph with higher gusts. Chance of rain 50 percent.
Thursday Night
nt_chancerain Mostly cloudy with scattered showers. Lows 42 to 68. Northeast winds 10 to 15 mph with gusts to 35 mph. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 63 | 60 74 | 59 68 | 59 62 | 59
Wind 2 mph SE 6 mph SE 3 mph East 0 mph East
Humidity 90% 63% 77% 91%
Chance of Precip. 50% 50% 50% 50%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:49 AM
6:19 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Friday
chancerain Partly sunny with scattered showers. Highs 60 to 79. East winds 10 to 20 mph with gusts to 35 mph. Chance of rain 50 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 60 72 | 61 68 | 60 62 | 58
Wind 0 mph East 5 mph East 3 mph East 0 mph SE
Humidity 93% 68% 79% 87%
Chance of Precip. 50% 50% 50% 60%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:49 AM
6:19 PM
Source: NWS at 3:40 am HST on February 11, 2012
Regional Forecast for Big Island North and East
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 62 | 58 72 | 58 68 | 60 62 | 58
Wind 0 mph SE 5 mph SE 3 mph East 0 mph SE
Humidity 84% 62% 79% 87%
Chance of Precip. 60% 60% 50% 60%
Cloud Cover 0% 0% 0% 0%
Conditions Rain Showers Rain Showers Rain Showers Rain Showers
Sunrise & Sunset
6:49 AM
6:19 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 11, 2012 Max Temp Min Temp
Normal (PHTO) 80 °F 63 °F
Record (PHTO) 88 °F (1981) 57 °F (1990)
Yesterday 79 °F 62 °F
Yesterday's Cooling Degree Days: 6
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
Pahala, HI 40 miles 2.7 12:33 AM HST
2012-02-10
Hawaiian Ocean View, HI 116 miles 2.6 3:54 PM HST
2012-02-09
Laupahoehoe, HI 20 miles 2.7 11:07 PM HST
2012-02-08
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Air Quality
  Air Quality AQ Index Pollutant
Yesterday Good
PM2.5
Current Good
PM2.5
Saturday Good
PM2.5
Sunday Good
PM2.5
Coastal Water Temperatures
Place Temperature
No Stations Reporting
Marine Forecast
Astronomy
Feb. 11, 2012 Rise Set
Actual Time 6:51 AM HST 6:17 PM HST
Civil Twilight 6:28 AM HST 6:40 PM HST
Nautical Twilight 6:02 AM HST 7:06 PM HST
Astronomical Twilight 5:37 AM HST 7:32 PM HST
Moon 10:26 PM HST (2/11) 9:26 AM HST (2/11)
Length Of Visible Light 12h 11m
Length of Day
11h 26m
Tomorrow will be 0m 59s longer.
Waning Gibbous, 79% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 7
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
82 °F
Kahului
82 °F
Honolulu
81 °F
Kalaeloa
80 °F
Keahole Point
79 °F
Lanai City
37 °F
Bradshaw AFB
59 °F
Lanai City
59 °F
Kahului
62 °F
Wheeler AAF
63 °F
Molokai
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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Scattered light showers
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Source: FWIX
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Travel & Activities
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Aviation
City Temp. Conditions Updated
Hilo 75 °F Overcast 2:08 PM HST
Bradshaw AFB 64 °F Clear 1:55 PM HST
Keahole Point 79 °F Clear 1:53 PM HST
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Flight To ETA Status
AWE45
Phoenix, AZ 		PHKO 02:50PM On Time
ASA865
Seattle, WA 		PHKO 02:53PM On Time
HAL348
Honolulu, HI 		PHKO 03:01PM On Time
MKU104
Kahului, HI 		PHKO 03:09PM On Time
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Type Condition
Flight Rule: VFR (PHTO)
Wind Speed: 8.0 kts.
Wind Dir: 110° (ESE)
Ceiling: 6500 ft

SPECI PHTO 120008Z 09008KT 10SM SCT026 BKN065 OVC080 24/18 A3020 RMK AO2

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Nearby Events
Event Date Forecast
Third World 8:00 PM HST 2012-02-16 Overcast, 70°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 63 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 12, 2012 Mostly Cloudy, 45 °F
Northern Trust Open 8:30 AM PST on February 16, 2012 Clear, 63 °F
View all Sports Weather
Weather Stations
Station Location Temp. Heat Index Dew Point Humidity Wind Precipitation Elevation Updated Type Website
NOS_NWLON Hilo, HI, Hilo, HI 74 °F 72 °F - - ESE  at  1 mph 0.00 in / hr 0 ft 2:06 PM HST MADIS
APRSWXNET Keaau HI , Keaau, HI 74 °F 75 °F 67 °F 78% East  at  4 mph 0.00 in / hr 22 ft 2:18 PM HST MADIS
Honomu, Honomu, HI 72.8 °F 71 °F 69 °F 87% SE  at  2.0 mph 0.00 in / hr 303 ft 2:28 PM HST Normal
Hawaiian Paradise Park, HPP, HI 74.4 °F 77 °F 60 °F 62% NNE  at  7.0 mph - / hr 355 ft 2:39 PM HST Normal
APRSWXNET Kea\'au HI, Keaau, HI 75 °F 77 °F 62 °F 65% NNE  at  2 mph 0.00 in / hr 354 ft 2:09 PM HST MADIS
Hamakua Coast, Ninole, HI 67.0 °F - 66 °F 96% ESE  at  8.0 mph - / hr 1120 ft 2:36 PM HST Normal  
Hawaiian Shores Rec., Pahoa, HI 76.7 °F 78 °F 67 °F 72% ENE  at  7.0 mph 0.00 in / hr 217 ft 2:41 PM HST Rapid Fire  
Fern Acres, Mountain View, HI 69.8 °F - 66 °F 88% NE  at  1.6 mph 0.01 in / hr 1437 ft 2:41 PM HST Normal  
RAWS KEAUMO HI, Volcano, HI 64 °F - 50 °F 61% NE  at  5 mph 0.00 in / hr 5520 ft 1:34 PM HST MADIS
RAWS HAKALAU HI, Papaikou, HI 59 °F - 48 °F 68% SE  at  7 mph 0.00 in / hr 6399 ft 1:45 PM HST MADIS
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