F.I.R.E Week 4: Wind, Weather, and Movement
Hunt the Air, Read the Light, Predict the Kill
If you’ve ever wondered why a basin that was crawling with deer one morning is dead the next, the answer probably isn’t your camo or your luck. It’s the air.
Wind, thermals, weather, and moon phase are the hidden currents of every successful hunt. You can’t see them, but the animals feel them, respond to them, and rely on them to stay alive. If you’re not tuned in, you’re hunting blind.
This post is about learning to read what most hunters ignore, and how to use that knowledge to plan your glassing, time your stalks, and be in the right place at the right moment.
Thermals and Wind Aren’t the Same Thing
Here’s a hard truth: more animals are lost to scent than poor marksmanship.
And the reason is this: guys confuse thermals with wind.
- Thermals are created by rising or falling air due to temperature change. They shift with sun and shade, and they dominate mountain terrain in mornings and evenings.
- Wind is driven by larger pressure systems. It pushes consistently (usually), and it can override thermals as the day heats up.
I break my day around this reality:
- Morning: Thermals rise, air flows uphill
- Evening: Thermals drop, air flows downhill
- Midday: Prevailing winds tend to override thermals, but terrain and shade pockets can still pull scent
This matters most when you’re planning a stalk.
If you’re above a buck at 6–8am, he’ll have a hard time catching your scent.
My Rule: Never Stalk on Hope
I don’t stalk until I’ve:
- Confirmed the animal is undisturbed
- Put my booties on
- Checked the wind 3+ times on approach
- Imagined every angle he could smell me from
If I don’t like what the air is doing, I’ll back out.
I’ve waited three hours just to move 300 yards, because the wind wasn’t right.
And I’ve had it pay off with a perfect, undetected 90-yard shot.
Reading Weather: Movement Triggers and Kill Windows
Big game animals feel the weather before it hits. Here’s what to look for:
- Dropping barometric pressure (pre-storm): They’ll feed heavy and early. This is go time.
- Post-front high pressure: Bluebird skies can lock them down, but often there’s a midmorning window when they stretch or move again.
- Windy days: Animals hold tight to breaks, basins, and lee slopes. If you find a quiet pocket, it’s often full.
- Cloudy days: Extended movement, especially in open country.
I also look at dew point and humidity:
Dry, cold air = loud stalks.
Damp and cool = quiet forest floor, easier movement.
Moon Phase: Light Rules Behavior
This is one of the most misunderstood parts of movement. Here’s how I use moon phase:
- Full Moon: Expect more nocturnal movement. Glass feeding areas very early and catch them heading back to bed just as the light comes up.
- New Moon: Daylight movement increases. Prime glassing often extends past 9 a.m.
- Waning Moon: Animals are shifting patterns. Watch travel routes more than destination points.
- Rising Late (after 9pm): These are golden windows. Animals feed hard in the morning and move longer in daylight.
Pair the moon with your sunrise/sunset thermals,
and you can almost script where and when that bull or buck is going to be.
Stalk Planning 101: Terrain, Wind, Time of Day
Here’s how I plan every stalk:
- Where is the animal? (Position, bedded or feeding?)
- What is the wind doing now and what will it do in 30 minutes?
- What terrain blocks or funnels scent between me and him?
- What’s my exit if the wind shifts and my ambush spots?
A steep draw might look like a good stalk route,
but if the thermals are falling into it as you approach,
you’re walking into your own failure.
I’ve scrapped dozens of stalks not because I couldn’t make the shot,
but because I couldn’t make the wind.
Real-World: Wait, Watch, Then Win
A couple Januarys ago I was watching a buck bedded on a bench of a saddle across from me. Wind was steady downhill. Perfect if I waited.
I sat on that ridgeline for over two hours while the shade crept across his slope and the thermals flipped. He stood and started to feed over the saddle.
Once I felt that first puff of uphill air, I moved.
By the time I hit the bench, the wind was pulling perfectly up the draw. I closed to 90 yards from where I last saw him. A doe showed just over the skyline and I froze.
The wind was perfect, straight in my face-and she was slightly downhill.
Finally, that buck showed some interest in her and came into view. I wasn’t going to be able to get closer. Wind was perfect. He didn’t know I existed…
I tagged him that day.
My biggest yet.
Patience and wind.
It’s now my new mantra.
Joel’s Tracker Tips
- Keep a hunt journal. Log wind direction, pressure, moon, time of day
- Use wind puffs or milkweed constantly on stalks
- Drop a pin when you get winded, mark the terrain pattern
- Use your optics to read mirage in heat. It’s your long-range wind detector
Final Thoughts from Joel
The truth is. The animals already know what the wind is doing. That’s why they’re alive.
Your job isn’t just to find them, it’s to not be found by them.
Once you stop stalking on hope and start stalking on knowledge, wind, weather, moon, movement, then your whole success rate changes. (This builds on what I talked about in The Speed of Nature, where moving with the rhythm of the wild is key.)
Next week, we finish the Find portion of F.I.R.E. with one of my favorites:
Tracking and Sign Reading.
Until then, keep your face in the wind.
— Joel