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Total Solar Eclipse of 2017 August 21

 

Monday, August 21, 2017, a total solar eclipse will track from the Pacific to the Atlantic. The shadow of the moon will track over parts of Oregon, Idaho, Montana, Wyoming, Nebraska, Kansas, Missouri, Illinois, Kentucky, Tennessee, North Carolina, Georgia, and South Carolina. The total eclipse will begin near Newport, Oregon at 1:16 PM EDT and will end near Charleston, South Carolina at 2:48 PM EDT.  A partial eclipse will occur for the rest of the United States. The next total eclipse that can be seen from a large portion of the United States will not occur until 2024. The next total eclipse that can be seen from the west coast to the east coast will be in 2045. For the bi-state area, most areas will see between 94 to 99 percent eclipse of the sun midday on Monday, August, 21, 2017. The only areas that will see total 100% eclipse of the sun will be across central Missouri...roughly from the St. Joseph and north Kansas City area to Jefferson City to south of St Louis and into southwest Illinois. See maps and links provided for more details on eclipse information.

 

Path of the 2017 Total Solar Eclipse

Above: Total solar eclipse over Missouri

Click on map above to enlarge in a new window.

credit: NASA

 

Above: Total solar eclipse over Illinois

Click on map above to enlarge in a new window.

credit: NASA

Climatology Information

 

Station/Variable KCOU KJEF Freedom Rosebud Union KFAM KSUS KSTL Festus KCPS KSAR
8/21 Normal Low 65 65 63 62 65 64 65 69 64 64 64
8/21 Normal High 87 87 87 87 90 87 88 88 87 88 87
8/21 Average Precipitation 0.15 0.16 0.09 0.05 0.03 0.11 0.10 0.09 0.05 0.11 0.03
1 PM Average Temperature 84 84 N/A N/A N/A 83 85 85 N/A 85 84
1 PM Average Heat Index 86 86 N/A N/A N/A 85 87 87 N/A 87 86
2 PM Average Temperature 85 85 N/A N/A N/A 85 86 86 N/A 86 85
2 PM Average Heat Index 87 87 N/A N/A N/A 87 88 88 N/A 88 87
1-2 PM Chance of Rain 7% 7% N/A N/A N/A 10% 7% 7% N/A 4% M
1-2 PM Chance Cloudy 35% 22% N/A N/A N/A 24% 22% 52% N/A 24% M

M = Missing Data               N/A = hourly data for these variables not available.

 

KCOU = Columbia Regional Airport

KJEF = Jefferson City Memorial Airport

KFAM = Farmington Airport

KSUS = Spirit of St. Louis Airport (Chesterfield, MO)

KSTL = Lambert-St. Louis International Airport

KCPS = St. Louis Downtown Airport (Cahokia, IL)

KSAR = Sparta Community-Hunter Field Airport (Sparta, IL)

 

Long Term Weather Forecast


The Climate Prediction Center has forecasts available ranging from 3 months, 3 - 4 weeks, 8 - 14 days, and 6 - 10 days.

http://www.cpc.noaa.gov/ 

 

Short Term, More Specific Forecast
On every National Weather Service Weather Forecast Office home page, there is a point-and-click map which will give you a forecast for the point you selected. We also have other pages available which can give you the forecast in graphical or tabular form. One of the forecast fields is Percent of Sky Cover (cloud cover forecast). 

 


Eclipse maps courtesy of NASA.
For more information on the 2017 total solar eclipse, see: https://eclipse2017.nasa.gov/

NASA Interactive Map: https://eclipse2017.nasa.gov/sites/default/files/interactive_map/index.html

Eclipse resources:  https://eclipse2017.nasa.gov/downloadables

St. Louis Eclipse Task Force: http://www.missourieclipse2017.com/

NASA Satellite Imagery: https://weather.msfc.nasa.gov/cgi-bin/sportPublishData.pl?dataset=goes16abiconus&product=11p20um