When to the range this weekend and tried a little experiment with warm rounds and cold rounds.
Temp. 15 deg and calm
Rifle Rem 700 30-06
Load Winchester Supreme 180gr Fail Safes
Cold Loads (15 deg) 2575,2595,2584fps
Very accurate

Warm loads (kept in truck next to heater)
2631,2621,2620fps
Very accurate and POI unchanged

Load #2
150gr Accubond 61.5gr Ramshot Hunter

Cold rounds: 2896,2885,2881
Warm Rounds: 2896,2905,2908
POI Unchanged

Load #3
150 Accubond 58.5gr Ramshot BigGame

Cold Rounds:2965,2952,2944
Warm Rounds: 2989,2964,2951
POI Unchanged

As you can see the fps from warm to cold was minimal and POI was unchanged. It looks like the below zero shit is on it's way. I will try this test again when the temps are about 20 below and see what happens.

thanks steve, that's excellent data.

steve thanks for the info. It's good to see some real world data to help filter through all the company data.

Regards--Don