Wildland Fire Pro

IRPG & Belt Weather Calculator

Free · Designed for iPad. Not verified for macOS.

Offline IRPG reference, weather calculator, radio-ready broadcast scripts, quizzes, and IRPG Jeopardy generator. Built for wildland fire crews on the line. Wildland Fire Pro puts your Incident Response Pocket Guide and fire-weather tools in one offline app — no signal required, no data leaves your device. REFERENCE, ALWAYS AVAILABLE Browse the full IRPG reference library offline, organized for fast lookup in the field. Find LCES, the Common Denominators, Downhill Line Construction Guidelines, Watch Out Situations, and more without digging through a printed guide. Includes the offline NWCG Relative Humidity & Dew Point Tables as a bundled PDF for quick reference without a psychrometer calculation. WEATHER CALCULATOR Enter dry bulb and wet bulb readings from your sling psychrometer and get instant relative humidity — the same method used with a standard belt weather kit. Select your elevation band for accurate results at altitude. FIRE DANGER & PROBABILITY OF IGNITION Calculate Probability of Ignition and fire-danger indices from your weather observations, aspect, slope, elevation, position, time of year, and time of day — so you can assess conditions on scene, not after the fact. WEATHER LOGS Save every observation as a structured log entry: dry bulb, wet bulb, relative humidity, wind speed and direction, sky cover, and notes. Review past logs to track trends through the day or across an assignment. RADIO BROADCAST SCRIPTS Generate a properly formatted weather broadcast script from your logged observations, ready to key up and read to a division exactly the way it should sound over the radio. QUIZ & JEOPARDY Test your IRPG knowledge with a 100-question quiz bank drawn straight from the reference content, organized by category. Or study as a group with a Jeopardy-style board game — pick categories, reveal clues, and keep score, right from the app. EXPORT & SHARE Export and print weather logs and reports using your device's native share sheet — send to email, another app, or a printer, on your terms. BUILT FOR THE FIELD - Fully offline — works with no cell signal or wifi - No account required - No analytics, ads, or third-party tracking - Your data stays on your device Wildland Fire Pro is a reference and productivity aid, not a substitute for official guidance. IRPG content is reproduced from National Wildfire Coordinating Group (NWCG) public reference material for convenience. In any conflict, the current official IRPG and your agency's protocols govern. Fire-weather and Probability of Ignition figures are estimates meant to support — not replace — trained judgment, direct observation, and your agency's safety protocols, including LCES. Built for wildland firefighters, engine crews, hotshots, and anyone who carries an IRPG.

  • 5.0
    out of 5
    8 Ratings

Version 1.0.5 • Color-coded the IRPG category outlines to match the guide's page colors • Coordinate format switcher + radio-copied RH entry: - Weather log and calculator lat/long fields can now switch between Decimal Degrees, Degrees Decimal Minutes, and Degrees Minutes Seconds (storage stays plain decimal degrees underneath) - Weather logs can now be entered from a dry bulb + RH heard over the radio, instead of requiring an on-site wet bulb reading • Fixed some questions that gave away the answer while asking the question on the quiz tab • Made the questions weighted by difficulty for the jeopardy generator • Added more questions for quizzes and jeopardy for more variety

The developer, MATTHEW JOSEPH O'DONNELL, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    MATTHEW JOSEPH O'DONNELL
    Size
    56.7 MB
    Category
    Weather
    Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    13+
    • 13+
    • Infrequent
      Medical Treatment information
    Copyright
    © 2026 Matthew O'Donnell. All rights reserved.