Rock Falls, IA

11:06 PM CST on February 13, 2012 (GMT -0600)
Elev: 1102 ft
Lon: 93.1° W
Lat: 43.2° N
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Active Advisory: Special Statement (US Severe Weather) Active Notice: Local Storm Report
Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Shaun Tanner
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Weather Underground midday recap for Monday, February 13, 2012. A storm raced out of the Rockies and into the Plains on Monday, producing a good shot of Winter weather in the Plains and Mississippi Valley. Winter Weather Advisories were posted from eastern Oklahoma through the western Tennessee Valley in anticipation of several inches of new snow. Snow fell as far north as Minnesota and Michigan, but lighter snow was reported the farther north you went. In the warmer air closer to the Gulf Coast, rain fell in Louisiana and Mississippi.

Wet weather also greeted the West Coast as a Pacific storm slammed into California. This storm lacked a tremendous amount of moisture, but it has been a very dry Winter for the state thus far, and any precipitation is very much welcomed. Up to a foot of new snow is possible from this storm in the higher elevations of the Sierra Nevadas when all is said and done.

The East Coast was dry as a high pressure continued to dominate, but the region experienced another chilly day. By the afternoon, temperatures were still in the 20s and 30s for many areas in New England, while temperatures in the 30s were experience as far south as Arkansas. Morning temperatures were in the 20s in northern Florida.

The Northern Plains rose into the 20s and 30s, while the Northwest saw temperatures in the 30s and 40s. The Southwest rose into the 40s, 50s, and some 60s.
Weather Underground Broadcast Network
Rock Falls Weather at a Glance
Updated 10:58 PM CST
Elevation
1136 ft
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Now
Light Snow
Light Snow Mist
Temperature
30.9 °F
Feels Like 26 °F
Wind(mph)
5.1
Sunrise / Set
7:13 AM
5:40 PM
Moon
Waning Gibbous
Tonight
Snow 22 °F
Snow
80% chance of precipitation
Tomorrow
Partly Cloudy 34 °F
Partly Cloudy
Tomorrow Night
Partly Cloudy 22 °F
Partly Cloudy
Wednesday
Chance of Snow 34 | 27 °F
Chance of Snow
20% chance of precipitation
Thursday
Partly Cloudy 34 | 18 °F
Partly Cloudy
Friday
Partly Cloudy 31 | 16 °F
Partly Cloudy
Tomorrow is forecast to be nearly the same temperature as today.
Conditions
Pressure
28.68 in
Visibility
3.0 miles
Clouds
Few 500 ft
Mostly Cloudy 900 ft
Overcast 4400 ft
Moisture
Humidity
85%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
SPECI KMCW 140455Z AUTO 21006KT 3SM -SN BR FEW005 BKN009 OVC044 M02/M03 A2974
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Weather Radio
Launch Weather Radio
Temperature
Windchill
26 °F
Dew Point
27 °F
Wind
Speed / Dir
5.1 mph from SW
Wind Gust
5.1 mph
Health
UV
0 out of 16
Pollen
.30 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Regional
View Flu Map
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Regional Forecast for Cerro Gordo
Rest of Tonight
nt_chancesnow Cloudy. Light snow before midnight. Areas of fog after midnight. Little or no new snow accumulation. Low in the lower 20s. Southwest wind 5 to 10 mph. Chance of snow 80 percent.
Tuesday
cloudy Cloudy in the morning then becoming partly sunny. Areas of fog through mid morning. High in the mid 30s. Southwest wind 5 to 15 mph.
Tuesday Night
nt_cloudy Mostly cloudy. Low in the lower 20s. Southwest wind 5 to 10 mph.
Wednesday
chancesnow Mostly cloudy. A 20 percent chance of snow in the afternoon. High in the mid 30s. South wind around 5 mph shifting to the east in the afternoon.
Wednesday Night
nt_chancesnow Cloudy with a 20 percent chance of snow. Low in the upper 20s. North wind 5 to 15 mph.
Thursday
cloudy Mostly cloudy. Scattered flurries in the morning. High in the mid 30s.
Thursday Night through Sunday
partlycloudy Partly cloudy. Low 15 to 20. High in the mid 30s.
Sunday Night
nt_partlycloudy Partly cloudy. Low in the mid 20s.
Washingtons Birthday
partlysunny Partly sunny with a 20 percent chance of rain. High in the upper 30s.
Source: NWS at 9:14 PM CST on February 13, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 50467
Tuesday, 14
Partly Cloudy
34 | 22 °F
Partly Cloudy
Chance of
Precipitation
0%
Wednesday, 15
Chance of Snow
34 | 27 °F
Chance of Snow
Chance of
Precipitation
20%
Thursday, 16
Partly Cloudy
34 | 18 °F
Partly Cloudy
Chance of
Precipitation
10%
Friday, 17
Partly Cloudy
31 | 16 °F
Partly Cloudy
Chance of
Precipitation
0%
Saturday, 18
Partly Cloudy
34 | 20 °F
Partly Cloudy
Chance of
Precipitation
0%
Sunday, 19
Partly Cloudy
34 | 25 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 20
Partly Cloudy
36 | NA
Partly Cloudy
Chance of
Precipitation
0%
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Rest of Tonight
nt_chancesnow Cloudy. Light snow before midnight. Areas of fog after midnight. Little or no new snow accumulation. Low in the lower 20s. Southwest wind 5 to 10 mph. Chance of snow 80 percent.
Tuesday
cloudy Cloudy in the morning then becoming partly sunny. Areas of fog through mid morning. High in the mid 30s. Southwest wind 5 to 15 mph.
Tuesday Night
nt_cloudy Mostly cloudy. Low in the lower 20s. Southwest wind 5 to 10 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 20 31 | 25 31 | 25 25 | 23
Wind 4 mph WSW 7 mph SW 6 mph SSW 6 mph SW
Humidity 91% 78% 81% 95%
Chance of Precip. 80% 0% 0% 0%
Cloud Cover 88% 61% 59% 58%
Conditions Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:13 AM
5:40 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Wednesday
chancesnow Mostly cloudy. A 20 percent chance of snow in the afternoon. High in the mid 30s. South wind around 5 mph shifting to the east in the afternoon.
Wednesday Night
nt_chancesnow Cloudy with a 20 percent chance of snow. Low in the upper 20s. North wind 5 to 15 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 22 32 | 27 32 | 29 29 | 27
Wind 4 mph SSW 6 mph South 4 mph NE 7 mph North
Humidity 95% 82% 84% 91%
Chance of Precip. 0% 20% 20% 20%
Cloud Cover 90% 69% 92% 94%
Conditions Overcast Chance of Snow Chance of Snow Chance of Snow
Sunrise & Sunset
7:12 AM
5:41 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Thursday
cloudy Mostly cloudy. Scattered flurries in the morning. High in the mid 30s.
Thursday Night through Sunday
partlycloudy Partly cloudy. Low 15 to 20. High in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 22 32 | 25 31 | 22 25 | 20
Wind 11 mph NNW 12 mph NW 7 mph WNW 7 mph WNW
Humidity 81% 72% 71% 80%
Chance of Precip. 20% 10% 10% 0%
Cloud Cover 80% 67% 31% 48%
Conditions Snow Showers Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:10 AM
5:42 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Thursday Night through Sunday
partlycloudy Partly cloudy. Low 15 to 20. High in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 20 | 14 27 | 20 27 | 18 22 | 16
Wind 6 mph WNW 7 mph WNW 6 mph West 4 mph West
Humidity 76% 71% 65% 77%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 38% 33% 27% 27%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:09 AM
5:44 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Thursday Night through Sunday
partlycloudy Partly cloudy. Low 15 to 20. High in the mid 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 18 | 13 29 | 20 29 | 22 25 | 18
Wind 4 mph WNW 2 mph West 4 mph West 4 mph WNW
Humidity 79% 72% 71% 74%
Chance of Precip. 0% 0% 0% 10%
Cloud Cover 33% 47% 43% 40%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:07 AM
5:45 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Thursday Night through Sunday
partlycloudy Partly cloudy. Low 15 to 20. High in the mid 30s.
Sunday Night
nt_partlycloudy Partly cloudy. Low in the mid 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 18 31 | 22 31 | 23 27 | 18
Wind 4 mph NW 1 mph SW 5 mph SE 4 mph South
Humidity 83% 71% 71% 66%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 54% 50% 68% 41%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:07 AM
5:45 PM
Source: NWS at 9:14 PM CST on February 13, 2012
Regional Forecast for Cerro Gordo
Washingtons Birthday
partlysunny Partly sunny with a 20 percent chance of rain. High in the upper 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 25 | 18 32 | 27 31 | 23 27 | 18
Wind 7 mph SSW 8 mph South 5 mph SE 4 mph South
Humidity 74% 77% 71% 66%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 57% 33% 68% 41%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:07 AM
5:45 PM
BestForecast (what's this?)
Scientific Forecaster Discussion — MOS Weather Graph
Nearby
History & Almanac
February 14, 2012 Max Temp Min Temp
Normal (KMCW) 28 °F 12 °F
Record (KMCW) 53 °F (1954) -27 °F (1905)
Yesterday 32 °F 4 °F
Yesterday's Heating Degree Days: 47
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 7:13 AM CST 5:40 PM CST
Civil Twilight 6:44 AM CST 6:09 PM CST
Nautical Twilight 6:10 AM CST 6:42 PM CST
Astronomical Twilight 5:37 AM CST 7:15 PM CST
Moon No Moon Rise 9:59 AM CST (2/13)
Length Of Visible Light 11h 25m
Length of Day
10h 26m
Tomorrow will be 2m 43s longer.
Waning Gibbous, 56% 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
33 °F
Ankeny
33 °F
Red Oak
33 °F
Muscatine
32 °F
Clarion
32 °F
Des Moines
10 °F
Dubuque
12 °F
Monticello
12 °F
Clinton
14 °F
Davenport
14 °F
Decorah
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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Nearby Events
Event Date Forecast
The Smooth Money Gesture 9:00 PM CST 2012-02-18 Partly Cloudy, 27°F
Event data courtesy eviesays.com
Aviation
City Temp. Conditions Updated
Mason City 28 °F Light Snow Mist 10:55 PM CST
Charles City 30 °F Overcast 10:55 PM CST
Forest City 30 °F Light Snow 10:55 PM CST
Austin 28 °F Light Snow 10:55 PM CST
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Flight To ETA Status
No flights were found.
Flight Tracker by FlightAware FlightAware
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Type Condition
Flight Rule: IFR (KMCW)
Wind Speed: 6.0 kts.
Wind Dir: 225° (SW)
Ceiling: 900 ft

SPECI KMCW 140455Z AUTO 21006KT 3SM -SN BR FEW005 BKN009 OVC044 M02/M03 A2974

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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 Clear, 47 °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
HADS WINNEBAGO RIVER AT MASON CITY IA, Mason City, IA - - - - North  at  - 0.00 in / hr 1129 ft 10:30 PM CST MADIS
Central Heights, Mason City, IA 30.9 °F 26 °F 27 °F 85% SW  at  5.1 mph 0.00 in / hr 1136 ft 10:58 PM CST Rapid Fire  
Osage, IA 28.7 °F 29 °F 25 °F 85% NW  at  0.0 mph 0.00 in / hr 1173 ft 11:02 PM CST Normal  
St. Ansgar GreenHouse & Floral Shop, St. Ansgar, IA 28.6 °F 29 °F 24 °F 81% WSW  at  0.0 mph 0.00 in / hr 1205 ft 11:06 PM CST Normal
APRSWXNET St.Ansgar IA , Saint Ansgar, IA 29 °F 29 °F 24 °F 80% South  at  0 mph 0.00 in / hr 1145 ft 10:44 PM CST MADIS
Clear Lake, IA 28.2 °F 28 °F 24 °F 85% SW  at  0.0 mph 0.00 in / hr 1263 ft 10:57 PM CST Normal
HADS CLEAR LAKE AT CLEAR LAKE IA, Clear Lake, IA - - - - North  at  - 0.00 in / hr 1222 ft 10:00 PM CST MADIS
Just south of Oak Hills Golf Course, Clear Lake, IA 29.3 °F 29 °F 28 °F 95% SSW  at  3.0 mph 0.00 in / hr 1263 ft 11:06 PM CST Rapid Fire  
IADOT Mason City (I-35), Rockwell, IA 29 °F 21 °F 29 °F 99% North  at  8 mph 0.00 in / hr 1235 ft 10:41 PM CST MADIS
IADOT Hanlontown (I-35), Joice, IA 28 °F 28 °F 28 °F 97% SSE  at  1 mph 0.00 in / hr 1093 ft 10:45 PM CST MADIS
HADS CEDAR RIVER AT CHARLES CITY IA, Charles City, IA - - - - North  at  - 0.00 in / hr 973 ft 10:30 PM CST MADIS
MNDOT Twin Lakes I-35 Mile Post 1, Twin Lakes, MN 28 °F 23 °F 28 °F 99% ESE  at  4 mph 0.00 in / hr 1217 ft 10:45 PM CST MADIS
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Special Statement
Mobile & Email Alerts Statement as of 8:35 PM CST on February 13, 2012

... Slick spots possible yet this evening...

Intermittent freezing drizzle will continue this evening. There
may be some flurries as well... but little or no additional snow
accumulation is anticipated.

Road surface temperatures at or just below the freezing and those
conditions are expected to persist this evening. Slick and icy
spots may develop as Road temperatures hover near freezing over
the next several hours. Fog may also develop later this evening
with reduced visibility.

Motorists planning travel later tonight should be prepared for changing
Road conditions and allow extra time to reach your destination safely.



Local Storm Report
Mobile & Email Alerts


02/13/2012 1130 am

NNE Mason City, Cerro Gordo County.

Snow m0.5 inch, reported by broadcast media.


            From kimt TV studios




02/13/2012 1130 am

NNE Mason City, Cerro Gordo County.

Snow m0.5 inch, reported by broadcast media.


            From kimt TV studios




02/13/2012 1130 am

NNE Mason City, Cerro Gordo County.

Snow m0.5 inch, reported by broadcast media.


            From kimt TV studios



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