* Corn rises for first time in four sessions
    * Soybeans hit 7-week high on tight stocks
    * Wheat little changed after sharp losses in previous
session

    By Colin Packham
    SYDNEY, May 17 (Reuters) - U.S. corn rose on Friday for the
first time in four sessions as wet weather was forecast across
the Midwest, dimming prospects for the pace of sowing to pick up
sufficiently before being halted by downpours.
    Old-crop soybeans hit a seven-week high on tight stocks,
while wheat was little changed after falling nearly 1 percent in
the previous session.
	

		

			
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    Chicago Board of Trade December corn, the most
actively traded contract, rose almost 0.4 percent to $5.26 a
bushel by 0246 GMT, having slid nearly 1.5 percent in the
previous session.
    Spot corn rose 0.3 percent to $6.43-1/2 a bushel,
having closed Thursday down 1.4 percent.
    "The market was expecting corn plantings to be up to 65
percent complete by Sunday, so if there is rain, it will slow 
planting and be a real concern for yield potential," said Andrew
Woodhouse, a grains analyst at Advance Trading Australasia.
    July soybeans rose 0.5 percent to $14.35-1/4 a bushel,
the highest since March 28.
    July wheat was little changed at $6.87-1/4 a bushel
after falling 0.9 percent in the previous session.
    
    WEATHER OUTLOOK
    Corn had come under pressure for much of this week as dry
weather had buoyed expectations that U.S. farmers would rapidly
advance sowing.
    But forecasts suggest progress will be slowed by rain across
much of the U.S. Midwest in the next few days.
    The U.S. National Weather Service said rains would hit some
parts of the Midwest on Friday, spreading throughout the corn
belt over the weekend.
    Corn plantings had fallen to record lows in the U.S.
Department of Agriculture's most recent progress report, but
	

		

			
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analysts expect a government plantings report next week to show
between 55 percent and 65 percent of corn areas have been
planted, up from 28 percent seeded last week.
    The U.S. Department of Agriculture reported total corn
exports at 258,500 tonnes, a 10-week low, capping gains,
analysts said.
    Soybeans continued to firm, drawing strength from tight U.S.
stocks, with the oilseed on course to finish the week up 2.5
percent, its biggest climb in five weeks.
    Wheat was little changed on Friday, despite continued
pressure from the tepid pace of U.S. exports, although the
outlook for the global crop remains uncertain.
    U.S. wheat exports fell to a three-week low, totalling
540,700 tonnes.
    Badly needed rains are forecast for the Russian crop, though
dry and hot weather will persist in key farming regions,
Russia's state forecaster said, threatening yield losses.
 
        
  Grains prices at  0246 GMT
  Contract        Last    Change  Pct chg  Two-day chg MA 30   RSI 
  CBOT wheat     687.25    -0.50  -0.07%    -3.31%     707.37   37
  CBOT corn      643.50     2.00  +0.31%    -1.38%     635.98   34
  CBOT soy      1435.25     7.75  +0.54%    +1.45%    1374.70   42
  CBOT rice      $15.21   -$0.07  -0.46%    -1.01%     $15.46   50
  WTI crude      $94.98   -$0.18  -0.19%    +0.72%     $92.87   50
  Currencies                                                
  Euro/dlr       $1.286  -$0.003  -0.21%    -0.46%
  USD/AUD         0.976   -0.014  -1.40%    -1.32%
  Most active contracts
  Wheat, corn and soy US cents/bushel. Rice: USD per hundredweight
  RSI 14, exponential
 
 (Editing by Clarence Fernandez)