Thornton, Iowa

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Local Time: 8:48 AM CST (GMT -06) — Set My Timezone

Lat/Lon: 42.9° N 93.4° W (Google Map)

Tropical Weather: Tropical Cyclone David (South Indian Ocean)

Active Advisory: Winter Storm Watch (US Severe Weather) Active Notice: Local Storm Report

	Current Conditions

Charles City, Iowa (Airport)

Updated: 8:15 AM CST on December 22, 2009

27 °F

Overcast

Windchill:	15 °F
Humidity:	86%
Dew Point:	23 °F
Wind:	14 mph from the East
Pressure:	30.10 in (Falling)
Visibility:	3.0 miles
UV:	0 out of 16
Clouds:	Overcast 1000 ft (Above Ground Level)
Elevation:	1122 ft

» Weather History for This Location

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Aviation

Weather Radio

Flight Rule:	IFR (KCCY)
Wind Speed:	12.0 kts.
Wind Dir:	80° (East)
Ceiling:	1000 ft
Full Report — Pilot Maps

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Nearby Airports

City:		Temp.:	Conditions:	Updated:
	Mason City	23 °F	Overcast	7:53 AM CST
	Forest City	25 °F	Overcast	8:15 AM CST
	Clarion	27 °F	Overcast	8:15 AM CST
	Iowa Falls	27 °F	Overcast	8:15 AM CST

History & Almanac

Max Temperature:

Min Temperature:

Normal (KMCW)

25 °F

9 °F

Record (KMCW)

55 °F (1941)

-22 °F (1989)

Yesterday

22 °F

17 °F

Yesterday's Heating Degree Days: 45

Detailed History and Climate

	Meet Locals
Read their travel tips for Thornton hotels!


	Unbiased reviews and advice for Thornton

Today's State Extremes

State Highs:
Muscatine	33°F
Keokuk	33°F
Chariton	32°F
Shenandoah	32°F
Ankeny	32°F

State Lows:
Estherville	19°F
Spencer	21°F
Mason City	21°F
Shenandoah	21°F
Dubuque	23°F

Astronomy

December 22, 2009

Rise:

Set:

Actual Time

7:42 AM CST

4:42 PM CST

Civil Twilight

7:09 AM CST

5:15 PM CST

Nautical Twilight

6:33 AM CST

5:50 PM CST

Astronomical Twilight

5:59 AM CST

6:25 PM CST

Moon

11:00 AM CST

10:53 PM CST

Length Of Visible Light:

10h 05m

Length of Day

9h 00m

Tomorrow will be 0m 7s longer.

Extended View

Waxing Crescent, 30% of the Moon is Illuminated


Today	Dec 24 First Quarter	Dec 31 Full	Jan 7 Last Quarter	Jan 15 New

For more information about the solar system:

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Thornton, IA

27 °F

Overcast

at 8:15 AM CST

(Click for forecast)

5-Day Forecast for ZIP Code 50479

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Tuesday	Wednesday	Thursday	Friday	Saturday
27° F \| 25° F	29° F \| 27° F	29° F \| 22° F	23° F \| 11° F	16° F \| 5° F
Overcast	Ice Pellets 90% chance of precipitation	Ice Pellets 90% chance of precipitation	Snow 90% chance of precipitation	Chance of Snow 20% chance of precipitation
Hourly	Hourly	Hourly	Hourly	Hourly
Today is forecast to be Warmer than yesterday.

Nowcast as of 8:06 am CST on December 22, 2009

Now

Light freezing drizzle is expected to develop across much of northern...central and southeast Iowa through mid morning...likely between 900 am and 1100 am. Although amounts should be quite light...minor icing may develop producing slick roads as temperatures are expected to remain at or below freezing.

Forecast for Cerro Gordo

Updated: 5:27 am CST on December 22, 2009
Winter Storm Watch in effect from Wednesday morning through Friday afternoon...
	Today Cloudy. Patchy freezing drizzle in the morning...then areas of freezing drizzle in the afternoon. No ice accumulation. High in the upper 20s. East wind around 15 mph. » ZIP Code Detail
	Tonight Cloudy with areas of freezing drizzle and a slight chance of light freezing rain. Breezy. Low in the mid 20s. East wind 15 to 20 mph. Chance of precipitation 20 percent.
	Wednesday Cloudy. A chance of freezing drizzle in the morning... then snow or freezing drizzle in the afternoon. Breezy. Snow accumulation up to 1 inch. Ice accumulation up to one tenth of an inch. High around 30. Temperature steady or slowly falling in the afternoon. East wind 15 to 25 mph. Chance of precipitation 90 percent. » ZIP Code Detail
	Wednesday Night Snow or sleet. Breezy. Light snow accumulations possible. Low in the upper 20s. East wind 20 to 25 mph. Chance of precipitation 90 percent.
	Thursday Freezing rain...snow and sleet. Breezy. High around 30. Northeast wind 20 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent. » ZIP Code Detail
	Thursday Night Snow...windy. Low in the mid 20s. Chance of snow near 100 percent.
	Christmas Day Snow...windy. High in the upper 20s. Chance of snow 80 percent.
	Friday Night Snow likely. Windy. Low 15 to 20. Chance of snow 60 percent.
	Saturday Mostly cloudy with a 20 percent chance of snow. Breezy. High in the lower 20s.
	Saturday Night through Monday Partly cloudy. Breezy. Low 5 to 10 above. High 15 to 20.
Alternate Computer Forecast: AVN MOS Weather Graph
Scientific Forecaster Discussion (NWS)

Sports Weather

NFL:	Date:	Forecast:
Chargers vs. Titans	6:30 PM CST on December 25, 2009	Chance of Snow, 41 °F
Bills vs. Falcons	1:00 PM EST on December 27, 2009	Partly Cloudy, 43 °F
College Football:	Date:	Forecast:
Beavers vs. Cougars	5:00 PM PST on December 22, 2009	Partly Cloudy, 52 °F
Utes vs. Golden Bears	5:00 PM PST on December 23, 2009	Clear, 56 °F
MLB:	Date:	Forecast:
Yankees vs. Red Sox	8:05 PM EDT on April 04, 2010	Average High 52° F/ 11° C
Cubs vs. Braves	12:00 PM EDT on April 05, 2010	Average High 67° F/ 19° C
Football (Soccer):	Date:	Forecast:
Caen vs. Metz	8:00 PM CET on December 22, 2009	Overcast, High 35° F/ 2° C
Tours vs. Bastia	8:00 PM CET on December 22, 2009	Scattered Clouds, High 60° F/ 16° C
NASCAR:	Date:	Forecast:
Budweiser Shootout	12:00 AM EST on February 06, 2010	Average High 68° F/ 19° C
Gatorade Duel 1	12:00 AM EST on February 11, 2010	Average High 68° F/ 19° C
View Schedules: NFL \| CFB \| MLB \| IFB \| NASCAR \| PGA Golf \|

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Weather Stations

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Personal Weather Stations

MADIS Weather Stations

Weather Stations WunderMap

Station Location

Temp.

Dew Point

Humidity

Wind

Pressure

Precipitation

Windchill

Elevation

Updated

Type

IADOT Mason City (I-35), Rockwell, Wet/Treated

Meteorological Assimilation Data Ingest System, Set as Default Current Conditions, Historical Data & Charts

44 °F

East at 14 mph

0.00 in / hr

37 °F

1235 ft

8:20 AM CST

MADIS

Website

Clear Lake, IA

Clear Lake, IA weather, Set as Default Current Conditions, Historical Data & Charts

23.3 °F

21 °F

92%

ENE at 2.0 mph

30.09 in

- / hr

23 °F

1263 ft

8:44 AM CST

Normal

Website

HADS CLEAR LAKE AT CLEAR LAKE IA, Clear Lake, IA

Meteorological Assimilation Data Ingest System, Set as Default Current Conditions, Historical Data & Charts

°F

North at mph

0.00 in / hr

1222 ft

5:45 AM CST

MADIS

Website

HADS IOWA RIVER NEAR ROWAN 4NW IA, Rowan, IA

Meteorological Assimilation Data Ingest System, Set as Default Current Conditions, Historical Data & Charts

°F

North at mph

0.00 in / hr

1163 ft

8:00 AM CST

MADIS

Website

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Warnings and Notices

	Winter Storm Watch
Statement as of 7:23 AM CST on December 22, 2009 ... Winter Storm Watch remains in effect from Wednesday morning through Friday afternoon... A Winter Storm Watch remains in effect from Wednesday morning through Friday afternoon. * Timing... although freezing drizzle may occur later today and tonight... the most significant impacts with this storm should occur Wednesday morning through late Friday afternoon. * Storm total ice accumulations... icing of up to one quarter of an inch is expected from the Highway 30 to Highway 20 corridors through Thursday with lesser amounts either side of those areas. * Storm total snow accumulations... the precipitation should become primarily snow late Thursday with total accumulations from 2 to 4 inches from Atlantic... Des Moines and Grinnell... up to over a foot along and west of a Denison... to Fort Dodge... to Mason City line. * Winds... brisk east winds of 15 to 25 mph will be in place through much of Wednesday and Thursday before increasing even further by Friday. Winds by that time may be sustained at 25 to 35 mph with gusts even higher. * Visibility... during the periods of heavy snow Thursday into Friday... visibilities will generally be less than one mile and even down to a quarter mile during the heaviest snows. With increasing winds and snow coincident by Friday... blowing snow and greatly reduced visibilities near blizzard conditions are expected by that time. * Impacts... travel will become increasingly difficult in the watch area on Wednesday during the wintry mix of precipitation and continue to be difficult into Thursday and Friday as snow accumulates and winds increase. In the heaviest snow areas... travel may become nearly impossible due to blowing and drifting snow Thursday night into Friday. Precautionary/preparedness actions... A Winter Storm Watch means there is a potential for significant snow... sleet... or ice accumulations that may impact travel. Continue to monitor the latest forecasts. Small

	Local Storm Report
12/22/2009 0631 am NNE Mason City, Cerro Gordo County. Snow m0.7 inch, reported by broadcast media. Kimt TV studios - event total