Arivaca, AZ

8:19 AM MST on February 12, 2012 (GMT -0700)
Elev: 3652 ft
Lon: 111.3° W
Lat: 31.6° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground Forecast for Sunday, February 12, 2012.

The East dries out on Sunday, but wet weather continues moving through the West. A trough of low pressure advances eastward over the Great Basin and Central Rockies, producing moderate snow showers over Utah and Colorado. Winter weather advisories have been issued for parts of western Colorado as snowfall accumulations may reach from 6 to 8 inches by Sunday evening. Most of Utah, western Wyoming, and northern New Mexico should see lighter snow showers with accumulation around 1 to 2 inches. The tail end of this trough will extend into western Texas, bringing snow and freezing rain showers into northwestern Texas. Precipitation from this system will move into the Texas Panhandle late Sunday into Monday morning. Winter storm warnings have been issued for the region as 3 to 5 inches of snow are possible, with ice accumulations from 0.10 to 0.30 inches by Sunday evening. This will cause dangerous roads and travel conditions.

Meanwhile, another trough of low pressure and associated cold front approach the West Coast on Sunday. This system will reach the coasts of the Pacific Northwest and northern California in the afternoon and evening hours, bringing more rain showers. Temperatures will remain cool over most of the West Coast as this system pushes clouds and moisture onshore.

In the East, a strong ridge of high pressure allows for dry, sunny, and cool weather to persist. This system creates strong flow from the north, pushing cold air into the Plains and Eastern Valleys. Expect highs to range in the 20s in the Midwest, while the Ohio River Valley and Tennessee Valleys will see highs in the 30s. Freeze advisories have been issued for the Gulf states as low temperatures will drop into the 20s Sunday night. Dangerous fire conditions spread over the Southeastern states due to high pressure creating a very dry airmas with strong winds.
Weather Underground Forecast for Sunday, February 12, 2012.

The East dries out on Sunday, but wet weather continues moving through the West. A trough of low pressure advances eastward over the Great Basin and Central Rockies, producing moderate snow showers over Utah and Colorado. Winter weather advisories have been issued for parts of western Colorado as snowfall accumulations may reach from 6 to 8 inches by Sunday evening. Most of Utah, western Wyoming, and northern New Mexico should see lighter snow showers with accumulation around 1 to 2 inches. The tail end of this trough will extend into western Texas, bringing snow and freezing rain showers into northwestern Texas. Precipitation from this system will move into the Texas Panhandle late Sunday into Monday morning. Winter storm warnings have been issued for the region as 3 to 5 inches of snow are possible, with ice accumulations from 0.10 to 0.30 inches by Sunday evening. This will cause dangerous roads and travel conditions.

Meanwhile, another trough of low pressure and associated cold front approach the West Coast on Sunday. This system will reach the coasts of the Pacific Northwest and northern California in the afternoon and evening hours, bringing more rain showers. Temperatures will remain cool over most of the West Coast as this system pushes clouds and moisture onshore.

In the East, a strong ridge of high pressure allows for dry, sunny, and cool weather to persist. This system creates strong flow from the north, pushing cold air into the Plains and Eastern Valleys. Expect highs to range in the 20s in the Midwest, while the Ohio River Valley and Tennessee Valleys will see highs in the 30s. Freeze advisories have been issued for the Gulf states as low temperatures will drop into the 20s Sunday night. Dangerous fire conditions spread over the Southeastern states due to high pressure creating a very dry airmas with strong winds.
Arivaca Weather at a Glance
Updated 8:19 AM MST
Weather Station - report
Elevation
3391 ft
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Now
Clear
Clear
Temperature
53.3 °F
Feels Like 53.3 °F
Wind(mph)
4.0
Sunrise / Set
7:10 AM
6:09 PM
Moon
Waning Gibbous
Today
Partly Cloudy 61 °F
Partly Cloudy
Tonight
Partly Cloudy 38 °F
Partly Cloudy
Tomorrow
Partly Cloudy 59 | 41 °F
Partly Cloudy
Tuesday
Chance of Rain 56 | 36 °F
Chance of Rain
30% chance of precipitation
Wednesday
Partly Cloudy 56 | 34 °F
Partly Cloudy
Thursday
Partly Cloudy 61 | 36 °F
Partly Cloudy
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.65 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
50%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KOLS 121454Z AUTO 18007KT 10SM CLR 11/00 A2991 RMK AO2 SLP089 T01110000 58002
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Weather Radio
Temperature
Temperature
53.3 °F
Dew Point
35 °F
Wind
Speed / Dir
4.0 mph from NNE
Wind Gust
6.0 mph
Health
UV
0 out of 16
Pollen
7.50 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Rest of Today
partlycloudy Mostly sunny. Cooler. Highs 58 to 64.
Tonight
nt_partlycloudy Partly cloudy. Lows 36 to 41.
Monday
partlycloudy Partly cloudy. Highs 57 to 63.
Monday Night
nt_partlycloudy Partly cloudy. Lows 40 to 45.
Tuesday
chancerain Breezy. Mostly cloudy with a 30 percent chance of showers. Highs 52 to 58. Southwest wind 20 to 25 mph in the afternoon.
Tuesday Night
nt_partlycloudy Partly cloudy with a 20 percent chance of showers. Lows 34 to 39.
Wednesday
partlycloudy Partly cloudy. Highs 54 to 59.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows 33 to 38.
Thursday
partlycloudy Partly cloudy with a 20 percent chance of showers. Highs 59 to 64.
Thursday Night
nt_partlycloudy Partly cloudy with a 10 percent chance of showers. Lows 35 to 40.
Friday
partlycloudy Partly cloudy. Highs 61 to 66.
Friday Night and Saturday
nt_sunny Mostly clear. Lows 37 to 42. Highs 61 to 67.
Source: NWS at 8:12 am MST on February 12, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 85601
Sunday, 12
Partly Cloudy
61 | 38 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 13
Partly Cloudy
59 | 41 °F
Partly Cloudy
Chance of
Precipitation
0%
Tuesday, 14
Chance of Rain
56 | 36 °F
Chance of Rain
Chance of
Precipitation
30%
Wednesday, 15
Partly Cloudy
56 | 34 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Partly Cloudy
61 | 36 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 17
Partly Cloudy
63 | 38 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 18
Partly Cloudy
65 | NA
Partly Cloudy
Chance of
Precipitation
0%
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Rest of Today
partlycloudy Mostly sunny. Cooler. Highs 58 to 64.
Tonight
nt_partlycloudy Partly cloudy. Lows 36 to 41.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 46 | 28 57 | 32 56 | 31 44 | 30
Wind 12 mph South 14 mph SSW 12 mph WSW 3 mph SW
Humidity 51% 38% 39% 58%
Chance of Precip. 0% 20% 20% 0%
Cloud Cover 51% 45% 34% 29%
Conditions Partly Cloudy Chance of Rain Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:10 AM
6:09 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Monday
partlycloudy Partly cloudy. Highs 57 to 63.
Monday Night
nt_partlycloudy Partly cloudy. Lows 40 to 45.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 26 54 | 22 56 | 30 48 | 31
Wind 6 mph SSE 14 mph SSW 14 mph SW 13 mph South
Humidity 58% 28% 36% 53%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 31% 35% 43% 46%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:09 AM
6:10 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Tuesday
chancerain Breezy. Mostly cloudy with a 30 percent chance of showers. Highs 52 to 58. Southwest wind 20 to 25 mph in the afternoon.
Tuesday Night
nt_partlycloudy Partly cloudy with a 20 percent chance of showers. Lows 34 to 39.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 43 | 36 51 | 39 52 | 33 42 | 25
Wind 13 mph South 20 mph SSW 14 mph WSW 7 mph SSW
Humidity 77% 61% 47% 49%
Chance of Precip. 10% 30% 30% 20%
Cloud Cover 59% 61% 48% 48%
Conditions Chance of Rain Chance of Rain Chance of Rain Chance of Rain
Sunrise & Sunset
7:08 AM
6:11 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Wednesday
partlycloudy Partly cloudy. Highs 54 to 59.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows 33 to 38.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 23 50 | 25 52 | 25 42 | 23
Wind 8 mph SSE 9 mph SW 10 mph WSW 5 mph ESE
Humidity 49% 38% 35% 47%
Chance of Precip. 20% 10% 10% 0%
Cloud Cover 39% 39% 32% 32%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:07 AM
6:11 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Thursday
partlycloudy Partly cloudy with a 20 percent chance of showers. Highs 59 to 64.
Thursday Night
nt_partlycloudy Partly cloudy with a 10 percent chance of showers. Lows 35 to 40.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 23 53 | 22 56 | 20 44 | 23
Wind 6 mph East 7 mph ESE 6 mph South 5 mph East
Humidity 52% 28% 25% 42%
Chance of Precip. 0% 20% 20% 10%
Cloud Cover 42% 42% 46% 46%
Conditions Chance of Rain Chance of Rain Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:06 AM
6:12 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Friday
partlycloudy Partly cloudy. Highs 61 to 66.
Friday Night and Saturday
nt_sunny Mostly clear. Lows 37 to 42. Highs 61 to 67.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 41 | 25 55 | 22 59 | 22 46 | 23
Wind 7 mph East 6 mph ESE 8 mph SSW 6 mph SW
Humidity 54% 27% 25% 40%
Chance of Precip. 10% 10% 10% 0%
Cloud Cover 32% 32% 24% 24%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
7:06 AM
6:12 PM
Source: NWS at 8:12 am MST on February 12, 2012
Regional Forecast for Upper Santa Cruz River and Altar Valleys including Nogales
Friday Night and Saturday
nt_sunny Mostly clear. Lows 37 to 42. Highs 61 to 67.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 44 | 25 57 | 22 59 | 22 46 | 23
Wind 9 mph SSW 12 mph SSW 8 mph SSW 6 mph SW
Humidity 46% 24% 25% 40%
Chance of Precip. 0% 0% 10% 0%
Cloud Cover 25% 25% 24% 24%
Conditions Clear Clear Clear Clear
Sunrise & Sunset
7:06 AM
6:12 PM
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Nearby
History & Almanac
February 12, 2012 Max Temp Min Temp
Normal (KTUS) 68 °F 41 °F
Record (KTUS) 86 °F (1988) 20 °F (1948)
Yesterday 80 °F 44 °F
Yesterday's Heating Degree Days: 3
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Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Astronomy
Feb. 12, 2012 Rise Set
Actual Time 7:10 AM MST 6:09 PM MST
Civil Twilight 6:45 AM MST 6:34 PM MST
Nautical Twilight 6:16 AM MST 7:03 PM MST
Astronomical Twilight 5:48 AM MST 7:31 PM MST
Moon 11:43 PM MST 9:56 AM MST
Length Of Visible Light 11h 49m
Length of Day
10h 59m
Tomorrow will be 1m 45s longer.
Waning Gibbous, 73% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
64 °F
Phoenix
60 °F
Scottsdale
60 °F
Casa Grande
28 °F
Window Rock
28 °F
St. Johns
30 °F
Prescott
30 °F
Flagstaff
30 °F
Grand Canyon
Source: NWS
Snow Depth
Station Depth Elevation
Workman Creek 9 in 6900 ft
Wildcat 7 in 7850 ft
Hannagan Meadows 31 in 9020 ft
Beaver Head 3 in 7990 ft
Heber 4 in 7640 ft
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Snow Storm
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Nogales 52 °F Clear 7:54 AM MST
Tucson 52 °F Clear 7:45 AM MST
Tucson 54 °F Clear 7:53 AM MST
Tucson Davis Monthan 53 °F Overcast 7:55 AM MST
Flight To ETA Status
SWA466
Chicago, IL
KTUS 11:11AM On Time
SWA2126
Baltimore, MD
KTUS 12:18PM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KOLS)
Wind Speed: 7.0 kts.
Wind Dir: 33° (NNE)
Ceiling: Unlimited

METAR KOLS 121454Z AUTO 18007KT 10SM CLR 11/00 A2991 RMK AO2 SLP089 T01110000 58002

Nearby Events
Event Date Forecast
No events within 10 mi of location. View all events.
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Partly Cloudy, 59 °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, 61 °F
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
RAWS SASABE AZ, Arivaca, AZ 45 °F 42 °F 31 °F 57% WSW  at  6 mph 0.00 in / hr 3500 ft 7:05 AM MST MADIS
Cerro Pelon, Tubac, AZ 53.3 °F - 35 °F 50% NNE  at  4.0 mph 0.00 in / hr 3391 ft 8:19 AM MST Rapid Fire  
Arivaca Rd., Amado, AZ 49.4 °F 48 °F 30 °F 48% South  at  4.0 mph 0.00 in / hr 3200 ft 8:05 AM MST Normal  
HADS SANTA CRUZ RIVER NEAR TUBAC 1SE AZ, Tubac, AZ - - - - North  at  - 0.00 in / hr 3180 ft 6:45 AM MST MADIS
Tubac, Arizona, Tubac, AZ 53.0 °F - 34 °F 48% South  at  1.0 mph 0.00 in / hr 3166 ft 8:19 AM MST Rapid Fire  
5 Miles East of Tumacacori, AZ, Rio Rico, AZ 52.9 °F - 20 °F 27% South  at  3.6 mph 0.00 in / hr 3881 ft 8:19 AM MST Normal
Elephant Head, Amado, AZ 54.1 °F - 31 °F 41% SE  at  2.2 mph 0.00 in / hr 3155 ft 8:15 AM MST Normal
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