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Weather Resources:
Weather School

Weather Page
FlightPlan.com
Enter 4-letter ICAO station identifier.
If entering more than one, be sure to insert one or more spaces between stations.
(Example: KEND KIAB KOKC)

 

National Radar
National Radar
Regional Radar
Regional Radar
National Radar
National Watches/Warnings
National Radar
Regional Watches/Warnings

US Frontal Maps US Forecast US Warnings/Advisories Satellite Imagery US Radar
NowCast ZoneCast Warnings/Advisories Hourly Track Special Statements Local Radar
State Forecast State Discussion State Public Info State Climate Data

Weather Calculator

Disclaimer
The calculators on this page should not be used for navigational or flight planning purposes. While every effort is made to make sure the calculations are accurate, there is no guarantee that they are. You should always consult the official publications for the correct and current information. No warranty of the information is made or implied.
Temperature Conversion
Fahrenheit to Celsius
°F
Temperature= °C
 
Celsius to Fahrenheit
°C
Temperature= °F
Wind Chill and Heat Index
Wind Chill

Please Note: The calculator should not be used for outside air temperatures (OAT) greater that 50 °F (10 °C) and wind speeds less than 4 MPH (3.5 Knots).
Temperature (OAT) °F °C
Wind MPH Kt.

Wind Chill= °F or °C
 
Heat Index

Determine the heat index from the outside air temperature (OAT) and Relative Humidity.
Temp (OAT) °F °C
% Relative Humidity

Heat Index= °F °C
Dewpoint and Relative Humidity
Dewpoint
Calculate the Dewpoint from the outside air termperature (OAT) and Relative Humidity
Temperature (OAT) °F °C
% Relative Humidity

Dewpoint= °C °F

 
Relative Humidty
Calculate the Relative Humidity from the outside air termperature (OAT)and Dewpoint
Temp (OAT) °F °C
Dewpoint °F °C

Relative Humidity= %
Pressure Conversion
Convert Millibars to Inches of Mercury and Inches of Mercury to Millibars
Millibars in Hg

 
 

The Speed Finder™
Did you know that your maneuvering, stall, best rate, & best angle of climb speeds change with the actual versus gross weight of the aircraft? Input any one of these speeds in the table, along with your gross weight, and actual weight of the aircraft to find the speed at your current weight! 

Speed @ Gross Weight (i.e. Va)
Gross Weight of Aircraft
Actual Weight of Aircraft