Forecast and Conditions for Grand Canyon, Arizona

Updated: 3:08 AM MST on May 12, 2008 Observed at RAWS TUSAYAN AZ US, Grand Canyon, Arizona
Temperature	36 °F / 2.2 °C
Windchill	36 °F / 2 °C
Humidity	43%
Dew Point	16 °F / -9 °C
Wind	NE at 1 mph / 1.6 km/h
Pressure	in / hPa (Rising)
Conditions	Clear
Visibility	10.0 miles / 16.1 kilometers
Clouds	Clear (CLR) : -
Normal high	68 °F / 19 °C
Normal low	29 °F / -1 °C
Record high	82 °F / 27 °C (1984)
Record low	16 °F / -8 °C (2000)
Sunrise	05:24 AM (MST)
Sunset	07:25 PM (MST)
Moon Rise	12:43 PM (MST)
Moon Set	01:32 AM (MST)
Moon Phase

Fire Weather Watch Statement as of 10:46 PM MST on May 11, 2008

... Fire Weather Watch remains in effect from 9 am MST Monday
through Monday evening...

A Fire Weather Watch remains in effect from 9 am MST Monday
through Monday evening.

A low pressure system developing over the Great Basin will bring
strong southwest winds to central and northern Arizona Monday.
Sustained wind speeds of 20 to 30 mph with gusts near 40 mph are
likely. Minimum relative humidities of 5 to 11 percent are
expected east of Flagstaff. There is some uncertainty regarding
humidity values... especially in the higher terrain north and west
of Flagstaff as an increase in moisture is possible ahead of the
incoming system... watch for later updates.

A Fire Weather Watch means that critical fire weather conditions
are possible. Look for later forecasts and possible upgrades to
red flag warnings.

Please notify field crews of this Fire Weather Watch.

Forecast as of 3:31 am MST on May 12, 2008

	Today Breezy. Partly cloudy. A 10 percent chance of thunderstorms in the afternoon. Highs around 59 on the North Rim to around 85 along the Colorado River. Southwest winds 15 to 25 mph.
	Tonight Breezy. Mostly cloudy. A chance of thunderstorms in the evening...a chance of thunderstorms and snow showers likely after midnight. Snow accumulation up to 1 inch. Snow level 6000 feet after midnight. Lows around 28 on the North Rim to around 46 along the Colorado River. Southwest winds 15 to 25 mph until early morning becoming light. Chance of precipitation 60 percent.
	Tuesday Much cooler. Mostly cloudy. A chance of thunderstorms and snow showers in the morning...a slight chance of thunderstorms and snow showers in the afternoon. Little or no snow accumulation. Snow level 6000 feet increasing to 7000 feet in the afternoon. Highs around 47 on the North Rim to around 72 along the Colorado River. Light winds becoming north around 15 mph in the afternoon. Chance of precipitation 40 percent.
	Tuesday Night Partly cloudy. Lows 33 to 41. Light winds.
	Wednesday Warmer. Partly cloudy. Highs 74 to 84. Light winds becoming north around 15 mph in the afternoon.
	Wednesday Night and Thursday Partly cloudy. Lows around 33 on the North Rim to around 51 along the Colorado River. Highs around 62 on the North Rim to around 87 along the Colorado River.
	Thursday Night through Sunday Mostly clear. Lows around 35 on the North Rim to around 55 along the Colorado River. Highs 63 to 73 on the North Rim to 88 to 96 along the Colorado River.