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Osceola County, IA Weather and Climate Synopsis

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36 Hr. Forecast Map
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Weather Summary Hourly Observations Nowcast Precision Ag., Lawn & Garden Guidance
7 Day Forecast Medium & Long Range Outlook Almanac Historical Facts

US Weekly Rainfall Departure

US Weekly Temperature Departure
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A joint service of the UK Ag Weather Center and the National Weather Service.

Weather Summary for Iowa
National Weather Service Des Moines IA
1103 AM CDT Thu Mar 22 2018

Scattered light rain, mixed at times with light snow or flurries
persisted across the state during the morning hours. Amounts were
generally one quarter of an inch or less. The precipitation was 
mainly over the southern half of the state. Otherwise, skies were 
mostly clear across the east and parts of west central into northwest 
Iowa and cloudy across the remainder. Early morning low temperatures 
were in the upper teens northeast to the lower and middle 30s central
and south. Southeast winds were 10 to 15 mph.

A warm front, stretched over Nebraska will push east across Iowa 
today with the light rain and snow mixture ending later this afternoon.
Warmer afternoon temperatures are expected with highs ranging from 
the mid 40s over the northeast to the lower 60s in the far west today.
Mostly cloudy conditions will remain over the region tonight as 
milder air heads into the region. Friday will see big changes. A 
large storm system will bring abundant moisture into the Central 
Plains. Widespread rainfall is expected along with moderate to heavy 
wet snowfall over portions of northern, eastern and northeast Iowa, 
southern Minnesota, southwest Wisconsin and northwest Illinois. 
Snowfall totals may exceed 6 or more inches with the heavier snow and 
winter storm watches have been posted for portions of northern Iowa 
and surrounding states. Over the remainder of Iowa, much of the 
precipitation will fall as rain. Over an inch of rainfall is possible.

Highs Friday will be cooler over most of the area with high in the 
lower 40s north to the lower to mid 50s south. The storm will
continue into Saturday. After the storm pulls east on Saturday highs 
will warm from Saturday into Sunday back into the 30s northeast to the
lower 50s southwest.

National Ag. Weather Outlook, International Ag. Weather Summary
Current Surface Map, [2nd Source TWC]

Precision Agriculture Weather Forecast For OSCEOLA County

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Regional Hourly Observations For OSCEOLA County
Issued at 400 PM CDT THU MAR 22 2018

CHEROKEE       FAIR      53  41  63 SE12G18   30.19S                  
DENISON        FAIR      57  36  44 S14G20    30.18S                  
ESTHERVILLE    PTSUNNY   42  34  73 E18       30.26S                  
LE MARS        FAIR      59  37  44 SE10      30.16F                  
ORANGE CITY    PTSUNNY   55  45  67 E12G20    30.18S                  
SHELDON        CLOUDY    48  41  76 SE17      30.19S                  
SIOUX CITY     FAIR      58  40  51 E10       30.14F                  
SPENCER        FAIR      50  38  63 E18       30.22F                  
STORM LAKE     FAIR      50  41  71 SE20      30.19S                  

Current Temperatures, Dewpoint, RH, Wind, Regional Obs, Surface 4-Panel

Current Agricultural Weather Conditions in Iowa
Based on observations at 400pm CDT, Thursday March 22, 2018

Across Iowa...temperatures are near 58 degrees west, near 49 degrees central, and near 51 degrees east. Current sky conditions are fair west, partly sunny central, and cloudy east. In the west, relative humidity is near 51%, and the dew point is near 40 degrees. In the central part of the state, relative humidity is near 65%, and the dew point is near 38 degrees. In the east, relative humidity is near 31%, and the dew point is near 22 degrees. Winds are from the east at 10 mph west, where conditions are favorable for spraying. Winds are from the east at 9 mph central, where conditions are favorable for spraying. Winds are from the northwest at 7 mph east, where conditions are favorable for spraying. Based on current available observations, the highest temperature is 63 degrees at Clarinda. The lowest temperature is 41 degrees at Mason City.

Current NOWCAST not available:
Nowcasts are not issued routinely during fair weather. Only when
precipitation or other significant weather is occuring in this county will these
forecasts be issued. Currently, there is no short term forecast in effect.

US Radar, All NWS Radars (In near-real time), Current Livestock Heat Stress Index (LSI), Current Wind Chill Map
Hazardous Weather Outlook For OSCEOLA County,IA

521 AM CDT Thu Mar 22 2018

 DAY ONE  Today and Tonight

No hazardous is expected today or tonight.

 DAYS TWO THROUGH SEVEN  Friday through Wednesday

A storm system will bring rain Friday mixing with or changing to
snow late Friday afternoon and evening. Light snow accumulations
are possible Friday night. In addition, there could be light
freezing drizzle late Friday night and Saturday morning.

Another storm system will bring rain and snow to the area Sunday
night changing to all rain on Monday morning. The timing and
amount of snow with this system is uncertain at this time.

Spotter activation will not be needed.

NWS Severe Weather Map , Convective Outlook

7-Day Forecast For OSCEOLA County, IA
328 PM CDT Thu Mar 22 2018

Partly cloudy in the evening then becoming mostly cloudy. Lows around 32. East winds 10 to 15 mph with gusts to around 25 mph.

Windy. Light rain
possibly mixed with snow and freezing rain in the morning, then light rain in the afternoon. Little or no snow accumulation. Highs around 40. East winds 15 to 25 mph becoming 20 to 30 mph in the afternoon.

Windy, rain
possibly mixed with snow. Snow accumulation of 1 to 2 inches. Lows around 30. East winds 20 to 30 mph decreasing to 15 to 20 mph after midnight.

Cloudy. Chance of freezing drizzle and snow in the morning, then slight chance of freezing drizzle in the afternoon. Highs around 36. East winds 15 to 20 mph. Chance of measurable precipitation 50 percent.

Mostly cloudy. Lows around 28. Southeast winds 10 to 15 mph with gusts to around 25 mph.

Mostly cloudy. Slight chance of rain and freezing rain in the morning, then slight chance of rain in the afternoon. Highs around 40. Chance of precipitation 20 percent.

Cloudy. Chance of rain
possibly mixed with snow in the evening, then snow likely after midnight. Lows around 32. Chance of precipitation 60 percent.

possibly mixed with snow in the morning, then rain in the afternoon. Highs around 43.

Mostly cloudy. Rain in the evening. Lows around 32. Chance of rain 80 percent.

Mostly cloudy. Highs around 42.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 28.

Partly cloudy. Highs around 48.

Partly cloudy. Lows around 30.

Partly cloudy. Highs around 46.

12-48 Hr Surface Forecast Maps, TWC 4-Panel Surface Forecast, Fire Danger, Day 1 Precip, Day 2 Precip, Days 1-5 Precip, Severe Weather Pot.-Day 1, Day 2

Medium & Long Range Outlook For Iowa
                 6 TO 10 DAY  8 TO 14 DAY   30 DAY    90 DAY 
                MAR 28-APR 1 MAR 30-APR 5    MAR       MAR-MAY                      
                 -----------  -----------  --------  ---------
   Temperature:      Below        Below      Below     Normal                      
 Precipitation:     Normal        Below     Normal      Above                      

....  Medium and long range outlooks provided by NCEP/K. Thomas Priddy
5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
Almanac Information

Thursday March 22, 2018 the 81th Day of Year

Declination 1.030000
Distance 0.999721 AU
Rise 07:13 EDT Set 19:29 EDT
Transit Meridian 13:20 EDT
Civil Twilight Begins 06:46 EDT Ends 19:56 EDT

Calculations made for central point in the state.
Time in ET -- and will vary due to location and
elevation -- Priddy

Historical Weather And Climate Facts For Today

A spectactular display of the Northern Lights was visible as far south as
Bradenton FL, El Paso TX, and Fresno CA. At Detroit MI, the display was
described "so brilliant as to blot out all stars below first magnitude".
(22nd-23rd) (The Weather Channel)
A great flood crested on rivers from Ohio to Maine. The flood claimed 107
lives and caused 270 million dollars property damage. (David Ludlum)
Six to ten inch rains caused the Chicago River to overflow its banks. (The
Weather Channel)

Ag Weather Center, Department of Biosystems & Agricultural Engineering, University of Kentucky