North Dakota mosquito forecast, by town
A daily mosquito bite-risk score for all 355 North Dakota towns, grouped by their 53 counties. Mosquito pressure is local, so pick your town for today's number, a 7-day outlook, and what's driving it.
Adams County · 4 towns
Barnes County · 13 towns
Benson County · 9 towns
Billings County · 1 towns
Bottineau County · 12 towns
Bowman County · 4 towns
Burke County · 6 towns
Burleigh County · 4 towns
Cass County · 26 towns
Cavalier County · 12 towns
Dickey County · 6 towns
Divide County · 4 towns
Dunn County · 4 towns
Eddy County · 2 towns
Emmons County · 5 towns
Foster County · 4 towns
Golden Valley County · 3 towns
Grand Forks County · 9 towns
Grant County · 4 towns
Griggs County · 3 towns
Hettinger County · 3 towns
Kidder County · 6 towns
LaMoure County · 8 towns
Logan County · 3 towns
McHenry County · 12 towns
McIntosh County · 5 towns
McKenzie County · 3 towns
McLean County · 12 towns
Mercer County · 6 towns
Morton County · 6 towns
Mountrail County · 7 towns
Nelson County · 7 towns
Oliver County · 1 towns
Pembina County · 11 towns
Pierce County · 3 towns
Ramsey County · 7 towns
Ransom County · 5 towns
Renville County · 6 towns
Richland County · 14 towns
Rolette County · 5 towns
Sargent County · 7 towns
Sheridan County · 3 towns
Sioux County · 3 towns
Slope County · 2 towns
Stark County · 6 towns
Steele County · 4 towns
Stutsman County · 11 towns
Towner County · 6 towns
Traill County · 8 towns
Walsh County · 13 towns
Ward County · 12 towns
Wells County · 7 towns
Williams County · 8 towns
North Dakota mosquito questions
- What kinds of mosquitoes live in North Dakota?
- North Dakota has floodwater mosquitoes (the dominant summer nuisance biter, which surges after heavy rain), the Asian tiger mosquito (a daytime biter that breeds in yard containers), the house mosquito (the main West Nile carrier), and swamp and cattail-marsh mosquitoes tied to the EEE cycle. Which ones dominate a given town depends on its local breeding habitat.
- When does mosquito season start and end in North Dakota?
- In North Dakota, mosquito numbers build from about mid-June, peak in mid-to-late summer, and fade with the first cool nights of fall. Biting largely stops once temperatures drop below about 50°F, and a hard freeze ends the season.
- Is West Nile or EEE a risk in North Dakota?
- Both West Nile virus and Eastern equine encephalitis occur in the region, but human cases are rare. West Nile risk peaks in late-summer heat and tracks the house mosquito in developed areas; EEE rises after mid-July in swampy areas. For confirmed local activity, check the North Dakota health department's arbovirus surveillance.
- How do I keep mosquitoes out of my yard in North Dakota?
- The single biggest thing you control is standing water: empty anything that holds it, keep gutters clear, and change bird baths weekly. Use EPA-registered repellent at dawn and dusk, and for heavy biting a licensed mosquito-control service can treat breeding sites and resting spots you can't reach.