CLARKSVILLE, TN (CLARKSVILLE NOW) – A Freeze Warning has been issued for Monday night and Tuesday night across Middle Tennessee.

For the first Freeze Warning, sub-freezing temperatures as low as 28 are expected. For the second Freeze Warning, sub-freezing temperatures as low as 24 are expected, according to the National Weather Service.

The warnings are in effect from 3 a.m. to 9 a.m. Tuesday, then from 10 p.m. Tuesday to 10 a.m. Wednesday.

“Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing,” the NWS said. “A killing, hard freeze is expected for the entire mid state region late Tuesday evening through Wednesday morning.”

Halloween forecast

During trick-or-treat hours on Tuesday in Clarksville, skies will be clear, and temperatures should start in the mid-40s at 6 p.m. and drop to the upper 30s at 8 p.m.

Clarksville forecast

Here’s the day-by-day outlook:

Today: Showers likely, mainly before 10am. Mostly cloudy, with a high near 47. North northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Tonight: Widespread frost, mainly after 1am. Otherwise, partly cloudy, with a low around 27. North wind 5 to 10 mph.

Halloween: Widespread frost before 9am. Otherwise, sunny, with a high near 48. West northwest wind 5 to 15 mph, with gusts as high as 20 mph.

Halloween night: Widespread frost after 11pm. Otherwise, mostly clear, with a low around 24. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday: Widespread frost before 9am. Otherwise, sunny, with a high near 48. North northwest wind around 5 mph.

Wednesday night: Widespread frost after midnight. Otherwise, mostly clear, with a low around 27. North wind around 5 mph becoming south after midnight.

Thursday: Widespread frost before 9am. Otherwise, sunny, with a high near 56. South southwest wind 5 to 10 mph.

Thursday night: Widespread frost, mainly after 5am. Otherwise, mostly clear, with a low around 34. South wind around 5 mph.

Friday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 62. South wind 5 to 10 mph.

Friday night: Mostly clear, with a low around 38.