It looks like you might have accessed this page from an outdated address. Please update bookmarks and links to:

Drift Risk Advisor

Step 1: Select your closest Mesonet site.
Step 2: Select your request type
Step 3: Select a time period
Data Range End Date/Time
  • Results will be shown for the data range before this date and time.
  • The current date and time will be used if no value is entered
Step 4: Set the limits according to your product label.
* Indicates required fields
Lower Limit
Upper Limit
Average Wind Speed* (mph)
Minimum average wind speed in miles per hour
Maximum average wind speed in miles per hour
Air Temperature (°F)
Minimum air temperature in degrees Fahrenheit
Maximum air temperature in degrees Fahrenheit
1-hr Rainfall (in.)
Maximum one-hour rainfall in inches

Step 5: Select wind directions to be avoided by clicking inside the circle.
The Drift Risk Advisor is a weather-based forecast tool for planning spray applications. It does not replace the best judgement of the applicator or applicator responsibility to follow label restrictions due to actual field conditions.

About This Product

The Drift Risk Advisor is a forecast tool utilizing the North American Model (NAM). The NAM is updated 4 times a day (12am, 6am, 12pm, 6pm CST).