The weather for the first two-thirds of the flight from Fond du Lac, Wisconsin, to Lebanon, New Hampshire, was good, right up to the part where a stalled cold front kicked up thunderstorms and at the same time produced low ceilings, fog and reduced visibility over most of the Northeast. Lebanon is in a nonradar environment, and I knew I'd be making an ILS to minimums or close to them. The alternates were Montpelier, Vermont, and Manchester, New Hampshire. They looked OK, not great, in the forecasts; the nearest really solid alternates were as far away as Virginia. I didn't know it, but I was about to scare myself.