Larimer County weather alert: More thunderstorms with hail, heavy rain, flooding forecast

Tuesday's thunderstorm that included booming thunder, an impressive lightning display, up to 2-inch hail and locally-heavy rain in Northern Colorado was just the beginning.

More powerful storms with Fort Collins in the bull's-eye are forecast into Thursday, prompting the National Weather Service to issue a flood watch Thursday for all of Larimer County.

Here is what's in store for the storm and a look impacts from Tuesday's storm:

Tornado watch issued Wednesday for Windsor, Greeley

The National Weather Service in Boulder issued a tornado watch until 9 p.m. Wednesday for 12 counties and including Greeley and Windsor on the western edge of the watch area.

The watch area stretches along the Interstate 25 corridor from the Wyoming state line to Colorado Springs and east to the Nebraska and Kansas state line.

A few tornadoes are possible, scattered hail up to apple size likely and win gusts to 75 mph possible.

-- Miles Blumhardt

When thunderstorms are expected

This is for the Fort Collins, Loveland and Windsor area and foothills and includes the possibility of large hail, damaging wind and tornadoes and flooding Thursday, according to the National Weather Service:

2 p.m. Wednesday: In the foothills (6,000 to 9,000 feet), severe weather potential elevates to moderate before subsiding.

5-8 p.m. Wednesday: In the Fort Collins, Loveland and Windsor area, severe weather potential elevates to moderate.

Thursday-Friday: From 6 a.m. Thursday to 9 a.m. Friday, there is a flood watch for all of Larimer, Weld and Morgan counties and parts of Boulder, Grand and Jackson counties, including the Cameron Peak and East Troublesome burn scars and Rocky Mountain National Park.

Fort Collins forecast calls for lots of rain through Friday

Wednesday: 60% chance of showers and thunderstorms possible in the afternoon increasing to 90% chance of showers and thunderstorms, some severe, at night. High of 71 degrees.

Thursday: 100% chance of showers and possibility of thunderstorms with the potential to produce heavy rain after 8 a.m. and continuing throughout the night. High of 61 degrees.

Friday: 70% chance of showers with thunderstorms possible after noon, decreasing to 40% at night. High of 63 degrees.

Some weather context: What to know about Colorado's deadliest natural disasters, including key safety tips

Fort Collins-area Tuesday rainfall totals

  • Kersey (1.3 miles west-southwest): 2.01 inches

  • Galeton (1.6 miles east): 1.86 inches

  • Fort Collins (8.6 miles north): 0.98 inches

  • Berthoud (2.2 miles south-southwest): 0.92 inches

  • Eaton: 0.65 inches

  • Wellington: 0.60 inches

  • Greeley (1.3 miles east): 0.60 inches

  • Windsor (1.5 miles west-northwest): 0.59 inches

  • Loveland (3.2 miles east): 0.46 inches

  • Laporte (1.4 miles northwest): 0.33 inches

  • Loveland (1.7 miles southwest): 0.31 inches

  • Fort Collins (2.4 miles east-southeast): 0.22 inches

  • Fort Collins (2.5 miles northwest): 0.21 inches

This article originally appeared on Fort Collins Coloradoan: Fort Collins, Larimer County weather: More thunderstorms forecast