this is the babel brook farm in laytonsville. when firefighters arrived, they can see the blaze for miles, destroying some expensive farm equipment, including tractors costing a quarter million dollars. the barn collapsed. it is filled with dozens of hay bales. fortunately, no livestock or humans in harm way, but fire officials feel they can let it burn out because nobody is in harms way. forceey are here in full to keep the flames at bay, to make sure it does not spread to a very nearby cornfield only steps away, and also spread to an adjoining building. here is the montgomery county fire spokesperson. >> initially we had 75 firefighters and equipment from montgomery county and some of the surrounding counties. large capacity water tankers that carry thousands of gallons thatter, so in the event we are going to be in a firefight, we would have water, but at this point the tankers still remain. we expect this will be a prolonged incident. we are protecting against hotspots. this is an example of one of the huge hay bales inside t

also this one area of some downpours now near laytonsville and that's moving away.te afternoon and this evening some heavy downpours in this area. in green. could give us some flash flooding, including the immediate metro

also this one area of some downpours now near laytonsville and that's moving away. later today, late afternoon and this evening some heavy downpours in this area. in green. could give us some flash flooding, including the immediate metro area. prince george's county, the district, anne arundel, parts of howard county. watch out for high water tonight. so hour by hour forecast for the next six hours will just begin to dry out a bit. the pavement still wet. some sun breaks out later this morning. low 80s by then. next weather and traffic on the 1s, a look at your bus stop forecast for this thursday. now melissa is looking at traffic problems early on this thursday morning. >> have a couple of issues, inner loop at 295, a single car crash. probably off the road work right now. 295 at malcolm x is blocked. and nutley road, it's blocked there. inner and outer loop no major problems. virginia 95 here at lorton road a little bit of wetness, and through prince george's county, so be careful as you're headed out. >> 5:02. we are learning that two cars collided on branch aven

top stories, firefighters are still on the inne of a massive barn fire laytonsville, montgomery countynd making sure it does not spread to anything else. investigators are calling the fire accidental. no people or animals were hurt. this is the first day of school for students in mount ray near -- they got an extra day of summer yesterday thanks to a nearby water main break. the crews have finished up the repairs and school will open on time this morning. you can get more news, traffic, and whether of dates on "good morning washington" and throughout the day. >>> good morning, america. it's 8:00 a.m. and the duggar family divided siblings now taking sides after josh duggar's lifetime secret is exposed. the family members would want him out. ♪ safe and sound >>> medical breakthrough. the mysterious disease that's one of the leading causes of infertile. the new research that could change the hopes of so many women who want to have children. dr. jen ashton joins us live ♪ it started with -- . as your kids head back to school the new app created by a teenager to battle bullying. could this