Ottawa Weather Forecasts

There were tearful remembrances for lost classmates and jokes about spending their senior year in a converted department store.

Hundreds of firefighters are battling a blaze fueled by warm, dry weather in northern Colorado that federal officials say started with a camp stove.

MIAMI (Reuters) - A swirling mass of thunderstorms off the South Carolina coast has a 50-percent chance of developing into a tropical depression or a tropical storm and could bring an early start to the Atlantic hurricane season, forecasters said on Saturday. The weather disturbance was in the Atlantic Ocean about 120 miles …

Summer started earlier this year and is on track to be hotter than almost any on record. And that means it's going to be expensive, because whatever it is you like to do during the summer, you're going to do more of it and that's going to cost you.

As people across the United States scramble for a good position to observe the solar eclipse this Sunday (May 20), a Japanese satellite will get great looks from orbit.

LITTLETON, New Hampshire (Reuters) - Bad news for waffle lovers. Historic warmth in March slashed this year's U.S. maple syrup output as much as 40 percent as sugar maple trees, which need freezing temperatures at night to sustain sap production, dried up early or largely produced bad-tasting syrup. In the Northeast, where …

WASHINGTON (Reuters) - The number of extreme rainstorms - deluges that dump 3 inches or more in a day - doubled in the U.S. Midwest over the last half-century, causing billions of dollars in flood damage in a trend climate advocates link to a rise in greenhouse gas emissions. Across the Midwest the biggest storms increased …

A lightning strike and a house fire that ignited a propane tank are among the immediate causes of the wildfires torching thousands of Arizona acres, media reports say.

(Reuters) - The mild winter led to at least one unexpected consequence: many more costly collisions between cars and wildlife on American roads. Insurer Chubb Corp received 35 percent more claims for car-animal collisions in the first three months of 2012 than it did for all of 2011, the company said on Wednesday. If those …

GENEVA (Reuters) - The 2011-2012 La Nina weather pattern, blamed for drought in Texas and severe dry spells in South America, has ended and is unlikely to return this year, the World Meteorological Organization (WMO) said on Wednesday. "For the second half of 2012 a return of La Nina is unlikely, while neutral or El Nino …

Unseasonable weather pushed last month to the fifth warmest April on record worldwide, federal weather statistics show.

Crews fighting a wildfire in northern Colorado have brought in a helicopter and about 80 more firefighters to try to bring the blaze under control.

REUTERS - India's 2012 monsoon rains are likely to hit the Kerala coast on time on June 1, the weather department said on Tuesday, brightening farm output prospects as farmers can plant crops like cotton and paddy on time and reap good yields. The four-month long rainy season starts over Kerala's coast and covers the rest …