Daylight through the yearLongest day (Jun 21): 15 h 26 min6:05 am – 9:32 pmShortest day (Dec 21): 8 h 56 min8:17 am – 5:13 pm
Sun todaySunrise –Sunset –
ClimateWarmest month July: highs 90°F, lows 59°FColdest month January: highs 40°F, lows 25°F10 in of rain a year, on about 32 dayswettest month January10 in of snow a year, on about 10 days41 days above 90°F, 106 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Deer Flat Dam station, 3 mi away; snow from Nampa Sugar Factory
Nearby landmarksChalk Hillspeak · 1.1 miLizard Buttepeak · 3.1 miSmiths Islandisland · 4.0 miClarks Islandisland · 4.2 miThe College of Idahocollege · 6.6 miTreasure Valley Community College - Caldwell Centercollege · 6.7 miSource: USGS Geographic Names Information System
Parks and public landsDeer Flat National Wildlife Refugenational wildlife refuge · 1.6 mi · 1,446 acresClaytonia Pond Access Sitestate recreation area · 2.9 miClarks Island Access Sitestate recreation area · 4.1 miClark Island Access Sitestate recreation area · 4.1 miRed Top Pond Access Sitestate recreation area · 6.1 mi · 50 acresMallard Parkpark · 4.9 miSource: USGS Protected Areas Database (PAD-US)
Earthquakes2 of magnitude 3 or more within 50 miles since 19700 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 3.7 on 20 Jul 198944 mi away, near Annex, OregonMost recent: magnitude 3.7 on 20 Jul 198944 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively LowCanyon County, ID, compared with all US countiesHigher-risk hazardsWinter weather Very HighLightning Relatively HighSource: FEMA National Risk Index (county level)
Air quality77% of days had good air in 2025280 of 363 days measured83 moderate daysMedian index 36, worst day 91main pollutant: fine particles (PM2.5)Source: US EPA Air Quality Index, Canyon County monitors, ID
Drinking waterCity of Nampaserves 100,200 people from ground waterNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system in the county
Elevation2,559 ft780 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalWest Valley Medical Center6.0 miPost officeHuston Post Officeunder a mileTown hallMarsing City Hall3.8 miPoliceCaldwell Police Department6.7 miFire stationMarsing Rural Fire District4.1 miSource: USGS National Structures Dataset
SchoolsWithin 2 miNo schools listedCollegeThe College of Idaho6.6 miSource: USGS National Structures Dataset
Getting aroundAirportBoise Air Terminal/Gowen Field BOI29 miInterstateI-84 Bus6.6 miUS highwayUS 955.0 miCoachNampaNorthwestern Stage Lines11 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 83630 ZIP area.
