Merrimack Valley School District Snow Day Predictor
The odds of a closing or a delay on the next three school mornings in Merrimack Valley, measured against Merrimack Valley's own big snow morning of 6.8 inches.
Will Merrimack Valley close tomorrow?
How Merrimack Valley calls a snow day
When the call comes
By about 5:30 a.m.
“With information and forecasts in hand, the goal is to come to a conclusion about school cancellation by approximately 5:30am.”Source
How families hear
By email, text message, phone call and local TV.
“Rapid / Mass Alert Notification - through Alma, the District's Student Information System (SIS). Alma alerts are sent as either an email or SMS message (text).”MVSD - "It's a matter of PRIDE!" - School Closings
A 2 hour delay
On a delay morning every school starts 2 hours late.
“All schools will open two hours later than typical start time”Delay schedule
Remote learning days
Merrimack Valley has remote learning days in its winter plan.
“In circumstances where inclement weather compels the SAU to close schools, these closures will serve as either a "good old-fashioned snow day" or a "remote learning" day for students and teachers.”Source
Making up a lost day
June 16, 17 and 18, 2027 are marked as snow days if necessary, after the tentative June 14 last day.
“# = Snow days, if necessary”Source
The 2026 to 2027 calendar
- First day August 27, 2026
- Winter break Dec 23 to Jan 1
- February break Feb 22 to Feb 26
- Last day June 14, 2027
Read from Merrimack Valley’s own pages on October 8, 2026; the district site is mvsdpride.org.
Merrimack Valley’s snow record
More 4 inch school mornings than 57% of the 176 New Hampshire districts with a station record.
- Biggest day 17 in on March 15, 2017
- Snowiest winter 2017 to 2018, 80.1 in
- 6 in mornings 2.1 a winter
- 1 in mornings 10 a winter
Measured at a NOAA weather station 2 miles away. Mornings are the 7 am snow reading on a weekday from December 1 through March 31, over the ten winters from 2016 to 2017 through 2025 to 2026, from NOAA GHCN Daily.
How New Hampshire counts a lost day
New Hampshire requires 180 days or the required hours: 450 in kindergarten, 945 in grades 1 to 6 and 990 in grades 7 to 12. Lost time must be rescheduled with added hours before a district can ask for a waiver of the hours requirement.
The New Hampshire rules in the agency’s own words, and every New Hampshire district
Districts near Merrimack Valley
| District | Snow a winter | 4 in mornings |
|---|---|---|
| Concord School DistrictConcord | 59.4 in | 3.1 |
| Bow School DistrictBow | 71.6 in | 3.8 |
| Pembroke School DistrictPembroke | 59.4 in | 3.1 |
| Winnisquam Regional School DistrictTilton | 84.9 in | 5.1 |
| Shaker Regional School DistrictBelmont | 75 in | 3.7 |
| Goffstown School DistrictGoffstown | 71.6 in | 3.8 |
7 schools
Every school in Merrimack Valley follows the district’s call: one closing covers them all.
High
- Merrimack Valley High School
Middle
- Merrimack Valley Middle School
Elementary
- Penacook Elementary School
- Loudon Elementary School, Loudon
- Boscawen Elementary School, Boscawen
- Webster Elementary School, Webster
- Salisbury Elementary School, Salisbury
Merrimack Valley snow day questions
More for New Hampshire snow days

The odds are a forecast read, and the superintendent makes the call: the district’s own announcement is the one to follow.