Most hikers check the weather the way you check a horoscope. One glance at one forecast, a nod, and off they go.
A single forecast tells you almost nothing you can act on. What matters isn't the number for Tuesday. It's the direction the whole picture is moving, and what you'll do when it moves against you.
After decades of hiking in Tasmania, where the weather changes its mind faster than most people change socks, there’s a few weather factors I focus on before hitting the track:
Why the trend matters far more than any single day's forecast
The habit that turns a forecast into a real decision on the trail
The one rule that overrules everything else you've planned
Check 1: Read the trend, not the snapshot
Don't look at one forecast. Look at three days of them in a row, and watch which way they're drifting.
A forecast that's slowly getting worse each time you check is telling you something a single snapshot never will: the system is building, and your good window is closing. One that's steadily improving buys you room to be bolder. The number for any given day is far less useful than the direction the whole thing is heading.
I check the trend for days before a trip, not the morning I leave.
Check 2: Match the sky to the forecast, every day
The forecast is a prediction. The sky is the truth. The skill is holding the two up against each other.
On the Overland track one winter, we reached Pelion Gap in decent conditions. Clear but it had been cooling off for the last 24 hours. Within minutes the snow came in sideways with the wind behind it. The forecast had hinted at it. The sky confirmed it. Because we'd been watching both, nobody stood around debating. We decided to get moving and we dropped off the gap before it turned properly nasty.
Get in the habit of asking each morning: does what I'm seeing match what I was told? When the sky starts disagreeing with the forecast, believe the sky.
Check 3: Set your turnaround rule before you go
This is the one that overrules the other two. Decide, at home, what conditions will stop you, before pride and momentum get a vote.
Later on that same trip, we'd hoped to climb a peak from Pine Valley. I got a forecast on my satellite messenger that evening: wind, rain and snow coming. In the morning the cloud was clagged in around the peaks. Climbing up into a whiteout for a view we wouldn't get made no sense, so we walked out instead a day early.
It stung to skip the peak. But winter hiking taught me a rule I never break: the weather has the final say, always. Your job is to plan so that letting it win is an easy, boring decision, not a dangerous one.
None of this makes you timid. It makes you the calm one in the group when the sky turns, because you saw it coming and you already knew what you'd do.
What's the worst weather call you've had to make out there, and did you get it right? Hit reply and tell me. I read every one.
THAT’S ALL FOR THIS WEEK
Thanks for reading Mowser’s Musings. I hope this helps you hike further and happier.
Until next week, keep exploring.
Mowser
Discover more. Hike further.
P.S. Weather is only one layer of a trip, and juggling it alongside your route, water, and bail-out points in your head is where planning falls apart. That's exactly why I've been building PeakBound, a smarter way to plan a whole multi-day hike in one place. The free waitlist is open if you'd like a look. We're finalising the build of the app now and it’s only weeks away from launch.
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