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USA Extremes

High Temp
83°F at Roosevelt Roads Nas, PU
83°F at Charlotte Amalie Virgi, IS
 
Low Temp
-42°F at Crane Lake (awos), MN
 
Precipitation
5.66in at Windsor Locks/Bradley, CT

Iowa Extremes

High Temp
15°F at Clinton Muni (awos), IA
15°F at Iowa City, IA
 
Low Temp
-16°F at Estherville/Muni, IA
 
Precipitation
0.03in at Des Moines/Muni, IA
=============
Data from US NWS

No Warnings, Watches, or Advisories

Regional Radar
Radar/Satellite images courtesy of NWS.
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METRIC | IMPERIAL
Updated: 01-21-2019 @ 10:15am  
Temperature Current Conditions Forecast / Storm Prediction
Currently Outside: Warmer 1.8°F than last hour.

8.6°F

Wind Chill:  -14.2°F
Feels like:  -14°F
---
High Today
8.6°F
10:01 AM 		Low Today
-0.4°F
12:00 AM
Rec* High
54.0°F
1897 		Rec* Low
-24.0°F
1974
* Records from Weather Underground
Overcast Overcast

Wind from SE Wind:  SE
23.0
Gusting to:
 29.9 mph
Current Snow Snow3:
0.00 in
Chandler Burning Index: LOW Current CBI
Fire Danger:
-0.0 of 100
M.L. King
Jr. Day
M.L. King Jr. Day: Cloudy
Cloudy
Tonight

Tonight: Light Snow Likely
Light Snow Likely
Tuesday

Tuesday: Snow
Snow
Hi 15 °F ↓ Lo 15 °F ↑ Hi 24 °F ↓
SPC Activity Map
Dew Point Liquid Precipitation Wind Speed Sun/Moon
Current: Increased 1.7°F since last hour. 1.1°F
Last Hour: Increased 1.7°F since last hour. 1.7°F
High 10:01 AM: 1.1°F
Low 12:00 AM: -7.9°F
Record High: 84.4°F on
17-Sep-2018
Record Low: -15.1°F on
20-Jan-2019
Wetbulb: 7.3°F
Rain Today
rain graph
Melt Today: 0.00 in
Yesterday: 0.00 in
Last 7 Days: 0.00 in
Jan Rain: 0.00 in
Jan to Date
  Avg:10 		0.48 in
Jan to Date
  Diff from Avg:10 		Under 0.48 in for the month 0.48 in
Jan Avg: 0.00 in
Diff from Avg: No Change 0.00 in
Season:1 0.00 in
YTD
  Avg:11 		0.48 in
YTD
  Diff from Avg:11 		Under 0.48 in for the year 0.48 in
Last Rain
Time/Date: 		27-Dec-2018
at 4:00 PM
0 rain days in 2019
0 days in January
24 days since last rain
Current: SE  23.0 mph
1Hr Average: 20.7 mph
Wind Run: 130.33 miles
Wind Gust
Current: 29.9 mph
Today: 29.9 mph 10:01 AM
Month: 51.8 mph 6-Jan
Year: 51.8 mph 6-Jan
Record Gust: 51.8 mph
3-Oct-2018
Sunlight:
9 hrs 32 min
of Sunlight Today
 graph 39.7% 60.3%
Which is
1 min 58 sec Longer
Than Yesterday
 
Morning Crescent, 15 days, 14 hours, 47 minutes in cycle
9%
Illuminated
Humidity Barometer
Current: No Change 71%
Last Hour: No Change 0%
High 8:01 AM: 71%
Low 1:01 AM: 65%
Record High: 100%
9-Sep-2018
Record Low: 0%
9-Sep-2018
Current: Falling 0.02 inHg/hr 30.250 inHg
Last Hour: Falling slowly
High 12:00 AM: 30.380
Low 10:01 AM: 30.250
Record High: 30.510 inHg
12-Nov-2018
Record Low: 29.341 inHg
27-Dec-2018
Heating Degree Days Snow3 Wind Chill Air
Today: 25.8
Jan: 846.4
2019 to Date: 845.2
Cooling Degree Days
2019 to Date: 0.0
Today: 0.00 in
Yesterday: 0.00 in
Jan Snow: Over 14.87 in for the month 0.50 in
Jan Avg: -14.37 in
Diff from Avg: 14.87 in
Season Total:2 0.50 in
Snow Depth: 0.50 in
1 snow day in January
1 snow day this season.2
First Snow of Season:
--
Average 1st Snow:
Current: -14.2°F
Low 8:01 AM: -18.3°F
Yesterday: -19.9°F
Record: -22.8°F
19-Jan-2019
Quality
Index6:
11

Good
Density:
1.37 kg/m3
Current UV Index Current Solar Energy9
0.0
Sunburn in
720 Minutes 		Highest:

-1.0
0 W/m2
0%
W/m2 ⇒ SI 		High Today:
12:00 AM
 0  W/m2
Record:
0 W/m2
Almanac Irrigation Index5 Snow3 Station All Time Records Cloud Level
Currently: Morning
YTD Avg Temp: 23.6°F
Sunrise: 7:41 am
Sunset: 5:13 pm
Moonrise: 4:57 pm
Moonset: 8:04 am
Full Moon: 21-Jan-2019
New Moon: 21:04 UTC
4-Feb-2019
Updated at Midnight
Current ET: 0.02 in
7-Days Rain: 0.00 in
7-Days ET: 0.07 in
7-Day: 0.067 in water in deficit of what evaporated in last 7 days. 0.067 in
January: 0.34 in water in deficit of what evaporated this month. 0.34 in
Today: 0.00 in
Yesterday: 0.00 in
Jan Snow: Over 14.87 in for the month 0.50 in
Jan Avg: -14.37 in
Diff from Avg: 14.87 in
Season Total:2 0.50 in
Snow Depth: 0.50 in
1 snow day in January
1 snow day this season.2
HIGHS: LOWS:
91.4°F
17-Sep-2018 		-7.6°F
20-Jan-2019
Daytime Records
  89.6°F
15-Sep-2018 		  1.9°F
19-Jan-2019
Nitetime Records
  72.3°F
16-Sep-2018 		  -1.9°F
20-Jan-2019
ICN:5 | S3C2:6 | Ajax 3.xx
ISS:Ok |
1 Rain season: Jan 1st to Dec 31st.   2 Snow season July 1st to June 30th.   3 Snow manually measured usually around 7AM and 7PM.   5 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present).   6 Air Quality Index is provided by Iowa DNR and PurpleAir Sensor.   9 Solar Index represents either an absolute scale of solar energy (W/m²) using the station’s recorded maximum or a percentage of computed theoretical solar maximum using the station’s location and time of day. These indices differ most when the sun is low on the horizon. The current scale is shown, and will toggle if it or the icon is clicked.   10 Historical average only to day 21 of just the month of January for this station since 2012.   11 Historical average rain this season to day 21 of January for this station since 2012.
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 NWS Weather Forecast  -   Outlook M.L. King Jr. Day & Tonight
M.L. King
Jr. Day
M.L. King Jr. Day: Cloudy
Cloudy

Hi 15 °F ↓ 		NWS forecast: Cloudy. High near 15, with temperatures falling to around 13 in the afternoon. Wind chill values as low as -14. Southeast wind 15 to 21 mph, with gusts as high as 29 mph.
 Tonight

Tonight: Light Snow Likely
Light Snow Likely

Lo 15 °F ↑ 		NWS forecast: Snow likely and freezing drizzle likely after 10pm. Cloudy. Low around 15, with temperatures rising to around 24 overnight. Wind chill values as low as -5. Southeast wind 16 to 21 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than half an inch possible. Little or no ice accumulation expected.