Flash flooding that left at least three dead and one missing in Colorado worsened as torrential rain continued to pound the state.
Thousands have been forced to flee to higher ground as rising water toppled buildings, stranded motorists, cut off remote towns and forced the state's largest university to close.
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Some dense fog is likely in the southeast, whilst brighter breaks are possible across eastern Scotland, northern England and north Wales.
When asked if he was joking or not, Mr Biden paused briefly before saying: "I’m not committing not to run. I’m not committed to anything."
"Calls and emails are coming in all the time" from players who say they had been forced to sign non-disclosure agreements, it was claimed.