* Below normal temperatures forecast for U.S. Northeast * Dollar weaker against basket of currencies NEW YORK, Feb 8 (Reuters) - U.S. crude futures edged up in seesaw trading on Monday, with oil finding some support from cold weather and a weaker dollar after a string of three straight losing sessions. But crude futures that rose more than $1 before the start of the U.S. session were well off that high as concern about euro zone economies and a weak Wall Street open helped to keep markets cautious. "The complex furthered Friday's late session recovery at the start of this new week with some help from a softer dollar and a steady tone to the equities. Cold temperature forecasts and some renewed concerns over Iran's nuclear program also provided support," said Jim Ritterbusch, president at Ritterbusch & Associates, in a research note. The dollar weakened against a basket of currencies. .DXY The euro also steadied against the dollar after softening earlier on worries about euro zone fiscal health. [USD/] Unseasonably cold weather will settle over the Midwest and Northeast this week, according to forecasters. [ID:nN04177188] Barclay's Capital in their Commodity Briefing report said the recent bout of cold weather was providing support. PRICES * On the New York Mercantile Exchange, at 10:05 a.m. EST (1504 GMT), March crude CLH0 was up 6 cents, or 0.08 percent, at $71.25 a barrel, trading from $70.77 to $72.39. Friday's $69.50 low was the weakest price since the Dec. 15 intraday low of $69.31. * In London, March Brent crude LCOH0 edged up 11 cents, or 0.16 percent, to $69.70 a barrel, trading from $69.21 to $70.82. * NYMEX March RBOB RBH0 slipped 0.98 cent, or 0.52 percent, to $1.8766 a gallon, trading from $1.87 to $1.9114. * NYMEX March heating oil HOH0 was up 0.36 cent, or 0.19 percent, to $1.8784 a gallon, trading from $1.8650 to $1.9036. * The March/March heating oil crack spread <0#CL-HO=R> was at $7.54, after ending at $7.55 on Friday. The March/March RBOB crack spread <0#RB-CL=R> was at $7.58, after ending at $8.04 on Friday. * The spread between the current front month and the five-year forward crude contract CLc61 was at $13.44, based on the March 2015 contract Friday settlement at $84.63. The spread ended Friday at $13.44. TECHNICALS NYMEX crude 10-day/20-day moving average: $73.99/$76.14 Technical support/resistance: NYMEX crude: $70.00/$73.10 NYMEX heating oil: $1.83/$1.94 NYMEX RBOB: $1.8124/$1.96 For a full report on technicals, click on [ID:nLDE61715L] MARKET NEWS * Valero Energy Corp (VLO.N) said Monday its fire-damaged fluid catalytic cracking unit at its Quebec City refiner will last several weeks. [ID:nN08188182] * A Nigerian militant group said on Sunday it had attacked a Royal Dutch Shell (RDSa.L) oil pipeline in the Niger Delta but Shell said it had no reports of sabotage. [ID:nLDE6160A5] * A senior Russian lawmaker called on the international community to prepare "serious measures" in response to Iran's announcement that it would start making higher-grade reactor fuel. [ID:nLDE6171Q0] * For a list of U.S. refinery issues, click on [REF/US] * The U.S. Energy Information Administration said its monthly short-term energy forecast will be delayed to Wednesday because of the snowstorm. [ID:nN08188853] (Reporting by Robert Gibbons; editing by Jim Marshall)

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