Fresh off a declaration from his doctor that he can resume "public engagements" on Saturday, the president told Fox News' Sean Hannity Thursday night that he hopes to hold a rally over the weekend in Florida.

"I think I'm going to try doing a rally on Saturday night if we have enough time to put it together, but we want to do a rally probably in Florida on Saturday night," Trump told Hannity. "I might come back and do one in Pennsylvania the following night and it's incredible what's going on. I feel so good."

Dr. Sean Conley, his physician, said in a letter earlier in the evening that Trump was doing well, had no symptoms and should be able to hold public events again 10 days after he was diagnosed.

Trump said he will be tested for the virus on Friday. He wasn't clear on when his last test had been.

He also reiterated he will not take part in a virtual town hall as had been planned for Oct. 15 due to his illness, and will instead hold a rally on that night. Joe Biden is set to hold a town hall in Philadelphia with ABC News as host.

ABC News' Matthew Vann contributed to this report.

Four states reported record numbers of new COVID-19 cases on Thursday, according to The COVID Tracking Project.

Wisconsin, North Dakota, Wyoming and Utah saw the high case counts, as the virus surges in the Upper Midwest and parts of the West.

Wisconsin, North Dakota and Wyoming also reported a record number of current hospitalizations, according to the tracker.

Montana reported a record number of hospitalizations on Thursday, a day after it saw a record for new cases.

President Donald Trump's doctors said he has "responded extremely well to treatment" for COVID-19 and should be able to return to public engagements on Saturday, according to a memo released Thursday evening.

"Since returning home, his physical exam has remained stable and devoid of any indications of illness," Dr. Sean Conley wrote. "Overall he's responded extremely well to treatment, without evidence on examination of adverse therapeutic effects."

The doctor also said Trump should be able to return to the campaign trail on Saturday. Trump had fought for an in-person debate with former Vice President Donald Trump this week, but the Commission on Presidential Debates decided to make the event virtual and Trump said he would not participate.

"Saturday will be day 10 since Thursday's diagnosis, and based on the trajectory of advanced diagnostics the team has been conducting, I fully anticipate the President's safe return to public engagements at that time," Conley wrote.

The Trump campaign had canceled all of Trump's events when he was diagnosed with COVID-19. It has not yet announced when he will return to the campaign trail

Ohio reported 1,539 new coronavirus cases on Thursday, in what the governor called the continuation of a “concerning upward trend.”

“Ohio’s positivity rate has jumped to 3.9% and the 7-day rolling average is 3.3%,” Gov. Mike DeWine tweeted. “This reflects the ongoing increasing trend of virus spread that we are seeing throughout the state. These numbers are not good.”

Thirteen more deaths were reported in the last 24 hours, bringing the state’s fatality total to 4,983, according to numbers released by the governor. Over 164,000 people in Ohio have been diagnosed with COVID-19.

An internal memo from the Federal Emergency Management Agency obtained by ABC News on Wednesday night shows that the number of new COVID-19 cases recorded in the United States and the nationwide usage of intensive care units are both on the rise in week-over-week comparisons.

There were 306,965 new cases confirmed during the period of Sept. 30-Oct. 6, a 4.8% increase from the previous week. There were also 4,860 coronavirus-related fatalities recorded during the period of Sept. 30-Oct. 6, a 4.6% decrease compared with the week prior, according to the memo.

Meanwhile, the national positivity rate for COVID-19 tests increased from 4.5% to 5.4% in week-to-week comparisons. Currently, 23% of hospitals across the country have more than 80% of beds full in their intensive care units. That figure was 17-18% during the summertime peak, the memo said.

The memo, which is circulated to the highest levels of the federal government and is used to determine daily priorities for the agencies working on COVID-19 response, shows that 32 U.S. states and territories are in an upward trajectory of infections, while 8 jurisdictions are at a plateau and 16 others are in a downward trend.

In Florida, 75% of ICU beds statewide are occupied. The number of new COVID-19 deaths doubled in Duval County in week-to-week comparisons, while Sumter County recently reported a single-day positivity rate for COVID-19 tests of over 20%, according to the memo.

Kentucky reported its highest single-day rise in COVID-19 cases on Oct. 3. Nearly half of current cases in northern Kentucky are patients younger than 40, and approximately 40% of them are under 30. The total number of COVID-19 hospitalizations has been increasing statewide since the end of September, the memo said.

The seven-day COVID-19 hospitalization rate continues to rise in Minnesota, reaching its highest since June 1 at 9.8 per 100,000 population, according to the memo.

In Ohio, the number of new COVID-19 cases has more than doubled in Muskingum County between the weeks ending Sept. 27 and Oct. 4. Outbreaks have been discovered at four social clubs there, according to the memo.

Wisconsin's seven-day COVID-19 death rate has increased 139% from Sept. 27 to Oct. 4. The seven-day COVID-19 hospitalization rate also continues to climb, with Wisconsin reporting a peak of 16.4 per 100,000 population on Oct. 4. The state saw a record high of 782 COVID-19 hospitalizations on Oct. 5, more than double the amount a month earlier. As of Oct. 4, 84% of ICU beds statewide were in use. Local health departments in the counties of Fox Valley, Door and Manitowoc report seeing so many new cases that they are unable to conduct tests or contact tracing in a timely manner, the memo said.

ABC News' Josh Margolin contributed to this report.