Knoxville, AR

10:46 AM CST on February 13, 2012 (GMT -0600)
Elev: 384 ft
Lon: 93.4° W
Lat: 35.4° N
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Active Advisory: Winter Storm Warning (US Severe Weather)
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Jessica Parker
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Forecast for Monday, February 13, 2012.

The trough of low pressure that brought unsettled weather to the West on Sunday will advance into the Plains on Monday with more mixed precipitation. The trough will support a low and associated warm front moving eastward into the Southern Plains. As the system progresses, rain showers with periods of heavy rain and isolated thunderstorms will spread from parts of central/eastern Texas into western Louisiana, mixed precipitation will develop in parts of Oklahoma and Arkansas, and snow will blanket parts of the Central Plains, Mid-Mississippi Valley, and parts of the western Ohio Valley. Areas from eastern Texas through Arkansas should expect the heaviest precipitation totals. Heightened winter weather conditions will allow Winter Weather Advisories and a few Winter Storm Warnings to remain in effect through the day. Elsewhere east of the Continental Divide, lake-effect snow showers will continue along parts of the Lower Great Lakes Snowbelt.

In the West, a Pacific cold front pushing across the Pacific Northwest will drop southward across northern California, bringing coastal and valley rain and significant snowfall to the Sierra Nevadas.
Weather Underground Broadcast Network
Knoxville Weather at a Glance
Updated 10:46 AM CST
Weather Station - report
London
Elevation
832 ft
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Now
Light Snow
Light Snow Mist
Temperature
29.1 °F
Feels Like 29 °F
Wind(mph)
0.0
Sunrise / Set
7:02 AM
5:53 PM
Moon
Waning Gibbous
Today
Ice Pellets 31 °F
Ice Pellets
100% chance of precipitation
Tonight
Ice Pellets 29 °F
Ice Pellets
30% chance of precipitation
Tomorrow
Partly Cloudy 49 | 34 °F
Partly Cloudy
Wednesday
Chance of a Thunderstorm 58 | 38 °F
Chance of T-storms
50% chance of precipitation
Thursday
Partly Cloudy 58 | 31 °F
Partly Cloudy
Friday
Partly Cloudy 58 | 29 °F
Partly Cloudy
Today is forecast to be Much Cooler than yesterday.
Conditions
Pressure
29.29 in
Visibility
0.8 miles
Clouds
Few 700 ft
Scattered Clouds 1200 ft
Overcast 1800 ft
Moisture
Humidity
98%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
SPECI KRUE 131636Z AUTO VRB05KT 3/4SM -SN BR FEW007 SCT012 OVC018 M01/M02 A3012 RMK AO2 P0000
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Weather Radio
Launch Weather Radio
Temperature
Windchill
29 °F
Dew Point
29 °F
Wind
Speed / Dir
Calm
Wind Gust
0.0 mph
Health
UV
1 out of 16
Pollen
.20 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Johnson
Today
snow Light snow and sleet during the day. Rain and light freezing rain in the afternoon. Snow accumulations of 2 to 4 inches. Total snow accumulations 2 to 5 inches. Ice accumulations of one tenth of an inch. Highs around 30. Southeast winds 10 to 15 mph in the morning...decreasing to 5 to 10 mph in the afternoon. The chance of precipitation near 100 percent.
Tonight
nt_cloudy Mostly cloudy. A chance of rain and light freezing rain in the evening. A chance of drizzle and light freezing drizzle. Lows around 30. Southeast winds 5 to 10 mph in the evening...becoming southwest after midnight. The chance of precipitation 30 percent in the evening.
Tuesday
partlycloudy Mostly sunny. Not as cool. Highs in the upper 40s. West winds 5 mph.
Tuesday Night
nt_partlycloudy Partly cloudy in the evening...becoming mostly cloudy. A slight chance of rain after midnight. Lows in the lower 30s. Southeast winds 5 mph. The chance of precipitation 20 percent after midnight.
Wednesday
cloudy Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms. Highs in the upper 50s. Southeast winds 5 mph. The chance of precipitation 50 percent.
Wednesday Night
nt_cloudy Mostly cloudy. A chance of showers and isolated thunderstorms. Lows in the upper 30s. The chance of precipitation 40 percent.
Thursday
partlycloudy Mostly sunny. Highs in the upper 50s.
Thursday Night
nt_sunny Mostly clear. Lows around 30.
Friday
sunny Sunny. Highs around 60.
Friday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Saturday
partlysunny Partly sunny. Highs in the upper 50s.
Saturday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Sunday
partlysunny Partly sunny. Highs around 60.
Source: NWS at 6:25 am CST on February 13, 2012
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Nowcast
Winter Storm Warning in effect until 6 PM CST this evening...
Forecast
View Calendar 7-Day Weather Forecast for 72845
Monday, 13
Ice Pellets
31 | 29 °F
Ice Pellets
Chance of
Precipitation
100%
Tuesday, 14
Partly Cloudy
49 | 34 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 15
Chance of a Thunderstorm
58 | 38 °F
Chance of T-storms
Chance of
Precipitation
50%
Thursday, 16
Partly Cloudy
58 | 31 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 17
Partly Cloudy
58 | 29 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 18
Partly Cloudy
58 | 36 °F
Partly Cloudy
Chance of
Precipitation
10%
Sunday, 19
Partly Cloudy
59 | NA
Partly Cloudy
Chance of
Precipitation
10%
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Today
snow Light snow and sleet during the day. Rain and light freezing rain in the afternoon. Snow accumulations of 2 to 4 inches. Total snow accumulations 2 to 5 inches. Ice accumulations of one tenth of an inch. Highs around 30. Southeast winds 10 to 15 mph in the morning...decreasing to 5 to 10 mph in the afternoon. The chance of precipitation near 100 percent.
Tonight
nt_cloudy Mostly cloudy. A chance of rain and light freezing rain in the evening. A chance of drizzle and light freezing drizzle. Lows around 30. Southeast winds 5 to 10 mph in the evening...becoming southwest after midnight. The chance of precipitation 30 percent in the evening.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 20 29 | 29 29 | 29 29 | 29
Wind 5 mph SE 6 mph ESE 4 mph East 0 mph NNE
Humidity 58% 96% 95% 99%
Chance of Precip. 40% 100% 100% 30%
Cloud Cover 99% 100% 90% 87%
Conditions Snow Ice Pellets Ice Pellets Ice Pellets
Sunrise & Sunset
7:02 AM
5:53 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Tuesday
partlycloudy Mostly sunny. Not as cool. Highs in the upper 40s. West winds 5 mph.
Tuesday Night
nt_partlycloudy Partly cloudy in the evening...becoming mostly cloudy. A slight chance of rain after midnight. Lows in the lower 30s. Southeast winds 5 mph. The chance of precipitation 20 percent after midnight.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 29 43 | 32 45 | 36 38 | 34
Wind 0 mph SW 4 mph West 1 mph SW 1 mph ESE
Humidity 95% 65% 68% 85%
Chance of Precip. 30% 10% 10% 20%
Cloud Cover 46% 27% 31% 49%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Chance of Rain
Sunrise & Sunset
7:01 AM
5:54 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Wednesday
cloudy Mostly cloudy. A chance of rain showers and a slight chance of thunderstorms. Highs in the upper 50s. Southeast winds 5 mph. The chance of precipitation 50 percent.
Wednesday Night
nt_cloudy Mostly cloudy. A chance of showers and isolated thunderstorms. Lows in the upper 30s. The chance of precipitation 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 32 52 | 41 54 | 43 43 | 41
Wind 2 mph ESE 4 mph SE 1 mph South 5 mph West
Humidity 88% 68% 68% 92%
Chance of Precip. 20% 50% 50% 40%
Cloud Cover 85% 89% 69% 69%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Thunderstorm Thunderstorm
Sunrise & Sunset
7:00 AM
5:55 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Thursday
partlycloudy Mostly sunny. Highs in the upper 50s.
Thursday Night
nt_sunny Mostly clear. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 40 | 38 52 | 38 52 | 36 38 | 34
Wind 4 mph WNW 5 mph NNW 4 mph NW 4 mph NW
Humidity 96% 58% 54% 85%
Chance of Precip. 40% 10% 10% 10%
Cloud Cover 52% 30% 22% 25%
Conditions Partly Cloudy Partly Cloudy Clear Clear
Sunrise & Sunset
6:59 AM
5:56 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Friday
sunny Sunny. Highs around 60.
Friday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 31 52 | 29 54 | 31 38 | 29
Wind 0 mph NNE 0 mph South 1 mph West 1 mph NW
Humidity 99% 42% 41% 72%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 25% 25% 26% 39%
Conditions Clear Clear Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:58 AM
5:57 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Saturday
partlysunny Partly sunny. Highs in the upper 50s.
Saturday Night
nt_cloudy Mostly cloudy. Lows in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 31 | 29 50 | 31 54 | 31 40 | 31
Wind 2 mph North 5 mph WNW 5 mph WNW 5 mph WNW
Humidity 95% 47% 41% 70%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 52% 52% 52% 53%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:58 AM
5:57 PM
Source: NWS at 6:25 am CST on February 13, 2012
Regional Forecast for Johnson
Sunday
partlysunny Partly sunny. Highs around 60.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 36 | 32 56 | 34 54 | 31 40 | 31
Wind 5 mph NW 6 mph NW 5 mph WNW 5 mph WNW
Humidity 88% 45% 41% 70%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 55% 52% 52% 53%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:58 AM
5:57 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 13, 2012 Max Temp Min Temp
Normal (KFSM) 54 °F 32 °F
Record (KFSM) 85 °F (1962) -8 °F (1905)
Yesterday 44 °F 19 °F
Yesterday's Heating Degree Days: 33
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
More information at USGS.gov
Astronomy
Feb. 13, 2012 Rise Set
Actual Time 7:02 AM CST 5:53 PM CST
Civil Twilight 6:36 AM CST 6:19 PM CST
Nautical Twilight 6:06 AM CST 6:49 PM CST
Astronomical Twilight 5:36 AM CST 7:18 PM CST
Moon No Moon Rise 10:18 AM CST
Length Of Visible Light 11h 43m
Length of Day
10h 50m
Tomorrow will be 2m 1s longer.
Waning Gibbous, 62% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
State Highs State Lows
41 °F
Mena
37 °F
Fort Smith
37 °F
De Queen
37 °F
Blytheville
37 °F
Texarkana
25 °F
West Memphis
25 °F
Jonesboro
26 °F
Newport
26 °F
NW Arkansas Airport
26 °F
Corning
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
Snow Depth Reports — Snow Depth Map
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News
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Travel Planning
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Aviation
City Temp. Conditions Updated
Russellville 30 °F Light Snow Mist 10:36 AM CST
Clinton 32 °F Snow 10:35 AM CST
Fort Smith 32 °F Light Freezing Rain 9:53 AM CST
Mount Ida 30 °F Overcast 10:10 AM CST
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
View U.S. Airport Delays
Type Condition
Flight Rule: LIFR (KRUE)
Wind Speed: 5.0 kts.
Wind Dir: 0° (North)
Ceiling: 1800 ft

SPECI KRUE 131636Z AUTO VRB05KT 3/4SM -SN BR FEW007 SCT012 OVC018 M01/M02 A3012 RMK AO2 P0000

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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 Chance of Rain, 65 °F
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
Northern Trust Open 8:30 AM PST on February 16, 2012 Partly Cloudy, 65 °F
Northern Trust Open 8:30 AM PST on February 17, 2012 Clear, 65 °F
View all Sports Weather
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
MesoWest Knoxville , Knoxville, AR 30 °F 30 °F - - North  at  - 0.00 in / hr 384 ft 9:10 AM CST MADIS
HADS LITTLE PINEY CREEK NEAR LAMAR AR, Lamar, AR - - - - North  at  - 0.00 in / hr 377 ft 9:30 AM CST MADIS
London, AR 29.1 °F 29 °F 29 °F 98% North  at  0.0 mph 0.00 in / hr 832 ft 10:46 AM CST Rapid Fire  
HADS SPADRA CREEK AT CLARKSVILLE AR, Clarksville, AR - - - - North  at  - 0.00 in / hr 367 ft 9:30 AM CST MADIS
The GRAPHIC(West Main), Clarksville, AR 29.3 °F 23 °F 29 °F 100% NE  at  5.8 mph 0.00 in / hr 410 ft 10:46 AM CST Rapid Fire
Skyline Weather Station, Russellville, AR 29.4 °F 29 °F 27 °F 90% ESE  at  0.0 mph 0.00 in / hr 710 ft 10:46 AM CST Rapid Fire
HADS BIG PINEY CK AT HIGHWAY 164 NEAR AR, Hagarville, AR - - - - North  at  - 0.00 in / hr 430 ft 9:45 AM CST MADIS
Morgan Road, Dover, AR 30.0 °F 27 °F 27 °F 87% East  at  3.4 mph 0.00 in / hr 0 ft 10:45 AM CST Rapid Fire  
PleasantValley 5, Dardanelle, AR 32.2 °F 26 °F 31 °F 97% SE  at  6.0 mph 0.00 in / hr 328 ft 10:46 AM CST Rapid Fire  
Tanner Road, Pottsville, AR 30.9 °F 31 °F 28 °F 90% East  at  0.0 mph 0.00 in / hr 473 ft 10:46 AM CST Rapid Fire  
HADS ILLINOIS BAYOU NEAR SCOTTSVILLE AR, Hector, AR - - - - North  at  - 0.00 in / hr 482 ft 9:30 AM CST MADIS
Pottsville School District, Pottsville, AR 30.2 °F 25 °F 29 °F 93% ESE  at  5.0 mph - / hr 400 ft 10:40 AM CST Normal
HADS PETIT JEAN RIVER NEAR DANVILLE 1 AR, Danville, AR - - - - North  at  - 0.00 in / hr 370 ft 9:45 AM CST MADIS
HADS PETIT JEAN RIVER AT CENTERVILLE AR, Ola, AR - - - - North  at  - 0.00 in / hr 328 ft 9:30 AM CST MADIS
HADS PETIT JEAN RVR AT BLUE MOUNTAIN AR, Havana, AR - - - - North  at  - 0.00 in / hr 425 ft 9:00 AM CST MADIS
East Side of Mt. Nebo, Arkansas, Dardanelle, AR 25.8 °F 26 °F 19 °F 75% South  at  0.0 mph - / hr 1850 ft 10:34 AM CST Normal  
RAWS DEVIL\'S KNOB A, Oark, AR 24 °F 13 °F 23 °F 95% SE  at  12 mph 0.00 in / hr 2100 ft 10:08 AM CST MADIS
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Winter Storm Warning
Mobile & Email Alerts Statement as of 4:06 AM CST on February 13, 2012

... Winter Storm Warning remains in effect until 6 PM CST this
evening...

A Winter Storm Warning remains in effect until 6 PM CST this
evening.

* Timing... snow and sleet will continue through the morning hours.
As warmer air moves north later this morning... the precipitation
will change over to a mix of snow... sleet... and freezing rain
for the afternoon hours. The precipitation will begin to taper
off this evening... but drizzle and freezing drizzle will be
possible through the overnight hours.

* Snow accumulations... two to four inches of snow and sleet are
expected... with the heaviest totals in the higher elevations of
the Ouachita and Ozark mountains. Locally higher amounts are
possible in areas between the Arkansas and Buffalo River
valleys.

* Ice accumulations... after precipitation changes to freezing
rain... some ice accumulation will occur. Accumulation is
expected to range around a tenth of an inch... with isolated
higher totals possible south of the Arkansas River valley.

* Impact... travel conditions will be treacherous... as roadways
become ice and snow covered.

Precautionary/preparedness actions...

A Winter Storm Warning means significant amounts of snow...
sleet... and ice are expected or occurring. This will make travel
very hazardous or impossible.