Mosquito season in Furnas County, NE: when it starts and ends
Mosquito months in Furnas County
In a normal year mosquito season in Furnas County, NE starts around April 26 and ends around October 12, about 24 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Furnas County, and when
- Start tipping out standing water weekly by April 12.
- Book any yard treatment for late April, ahead of the July peak.
- Repellent can go away after October 12.
- 3 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to August, more so if over 60.
Furnas County against the rest of NE
Furnas County has the 69th longest season of 93 NE counties, at 169 days against 200 in Richardson County and 127 in Sioux County. Its mean temperature is 51.5°F.
- Valley County: April 25 to October 12 (170 days, 5 WNV)
- Greeley County: April 25 to October 11 (169 days, 0 WNV)
- Logan County: April 26 to October 12 (169 days, 1 WNV)
- Brown County: April 27 to October 13 (169 days, 1 WNV)
West Nile in Furnas County
From 1999 to 2025, CDC ArboNET counted 42 human West Nile cases in Furnas County (7 neuroinvasive) across 11 years. The worst was 2003 with 25; the latest was 2023.
More: how the dates are worked out · when mosquitoes go away for the winter.