DENVER (KDVR) — After a warm start to the week, big changes are on the way to Colorado. Temperatures will take a nose dive on Friday. The Pinpoint Weather Team has issued a Pinpoint Weather Alert Day for Friday and Saturday.

Here are five things to know about the storm system moving in:

  1. Highs will be around 90 degrees on Thursday before a cold front races in
  2. Rain/snow hits Denver by 12 p.m. Friday and then changes to all snow by Friday night into Saturday morning.
  3. Expect an 80% melt rate for Denver and many places along the I-25 Corridor.
  4. We are forecasting two freezes: Friday night into Saturday morning and Saturday night into Sunday morning.
  5. Total snow accumulations will vary, but the biggest totals will come from above 6,000 feet. That includes the Foothills, some western suburbs, mountains, and Palmer Divide. That’s where 1-2 feet of accumulation is possible.

Forecast accumulations:

  • Denver 1-4 inches
  • Foothills 1-2 feet
  • Palmer Divide: 6-12 inches
  • Eastern Plains 1-3 inches
  • Northern Colorado 1-4 inches
  • High Mountains 1-2 feet on the Divide with less west

Latest freeze dates since 1872

Here’s a look at the latest dates of the last freeze of the season, according to the National Weather Service:

  • June 8, 2007
  • June 2, 1951
  • June 1, 1919
  • May 30, 1883
  • May 28, 1947
  • May 26, 1950
  • May 24, 2002
  • May 22, 2019
  • May 22, 1930
  • May 22, 1910

Be sure to download the free Pinpoint Weather App to stay up-to-date with the newest data as it comes in.