Weather in Manchester

Flood Watch issued July 28 at 9:28PM EDT until July 30 at 8:00AM EDT by NWS Gray ME

Areas: Southern Grafton; Sullivan; Merrimack; Belknap; Cheshire; Western And Central Hillsborough

28/07/2026, 21:28:00 → 29/07/2026, 14:00:00

* WHAT...Flash flooding caused by excessive rainfall is possible, especially in slow moving thunderstorms. * WHERE...Portions of central, northern, and southern New Hampshire, including the following areas, in New Hampshire, Western And Central Hillsborough. In central New Hampshire, Belknap, Merrimack and Sullivan. In northern New Hampshire, Southern Grafton. In southern New Hampshire, Cheshire. * WHEN...From 8 AM EDT Wednesday through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.

Flood Watch issued July 29 at 3:06AM EDT until July 30 at 8:00AM EDT by NWS Gray ME

Areas: Southern Grafton; Sullivan; Merrimack; Belknap; Cheshire; Western And Central Hillsborough

29/07/2026, 03:06:00 → 29/07/2026, 15:15:00

* WHAT...Flash flooding caused by excessive rainfall is possible, especially in slow moving thunderstorms. * WHERE...Portions of central, northern, and southern New Hampshire, including the following areas, in New Hampshire, Western And Central Hillsborough. In central New Hampshire, Belknap, Merrimack and Sullivan. In northern New Hampshire, Southern Grafton. In southern New Hampshire, Cheshire. * WHEN...From 8 AM EDT this morning through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.