Hazardous Weather Outlook
Issued by NWS Portland, ME
Issued by NWS Portland, ME
105 FLUS41 KGYX 171910 HWOGYX Hazardous Weather Outlook National Weather Service Gray ME 310 PM EDT Tue Jun 17 2025 MEZ018>028-NHZ010-014-181915- Interior York-Central Interior Cumberland-Androscoggin-Kennebec- Interior Waldo-Coastal York-Coastal Cumberland-Sagadahoc-Lincoln- Knox-Coastal Waldo-Strafford-Coastal Rockingham- 310 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for Maine, south central Maine, southwest Maine, central New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. Fog could be locally dense tonight and into early Wednesday morning. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. A cold front approaches the region Thursday afternoon and evening, bringing a chance for showers and thunderstorms. A couple of storms may be strong to marginally severe. There is increasing confidence for the hottest weather of the year so far early next week, especially away from the coast. The combination of heat and humidity may produce heat index values in the mid to upper 90s. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. $$ NHZ008-012-013-015-181915- Merrimack-Eastern Hillsborough-Interior Rockingham- Western And Central Hillsborough- 310 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for New Hampshire, central New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. The combination of heat and humidity could produce heat index values reaching the mid 90s Thursday afternoon. A cold front also approaches the region Thursday afternoon and evening, bringing increasing chances for showers and thunderstorms. A couple of storms may be strong to severe. There is increasing confidence for the hottest weather of the year so far early next week. The combination of heat and humidity may produce heat index values in the mid to upper 90s. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. $$ MEZ007>009-012>014-033-NHZ001>007-009-011-181915- Northern Oxford-Northern Franklin-Central Somerset-Southern Oxford- Southern Franklin-Southern Somerset-Interior Cumberland Highlands- Northern Coos-Southern Coos-Northern Grafton-Northern Carroll- Southern Grafton-Southern Carroll-Sullivan-Belknap-Cheshire- 310 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for south central Maine, west central Maine, western Maine, central New Hampshire, northern New Hampshire and southern New Hampshire. .DAY ONE...This afternoon and tonight. Hazardous weather is not expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. A cold front also approaches the region Thursday afternoon and evening, bringing increasing chances for showers and thunderstorms. Strong to severe storms will be possible with hail and damaging winds as the primary threats. In addition, torrential downpours will be possible along with isolated flash flooding. There is increasing confidence for the hottest weather of the year so far early next week. The combination of heat and humidity may produce heat index values in the mid to upper 90s. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed. $$ ANZ150>154-181915- Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM- Penobscot Bay- Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM- Casco Bay- Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM- 310 PM EDT Tue Jun 17 2025 This Hazardous Weather Outlook is for Atlantic coastal waters. .DAY ONE...This afternoon and tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. $$