
A few severe thunderstorms with large hail, are expected across parts of the middle and upper Mississippi River Valley tonight through early morning. Snow and a wintry mix overnight in the Upper Midwest into the Great Lakes can cause hazardous travel conditions. Fire weather concerns continue for a large portion of the central and southern High Plains and Four Corners region this evening. Read More >
Spaceflight Meteorology Group
National Center
Y-axis is pressure in millibars. Wind barbs are located to the left hand side of the diagram with speed in knots. Temperature is solid red line in Celcius. Dashed green line is dew point in Celcius.
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Spaceflight Meteorology Group
Johnson Space Center / WS8
Houston, TX 77058
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