Janesville, Iowa Weather
Janesville, Iowa — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Janesville, Bremer County.
Full aviation weather for Janesville is published on the Waterloo Regional Airport (KALO) page, 11 km away. It carries the current METAR decoded into plain language — surface wind, visibility, cloud layers and ceiling, temperature and dewpoint, and altimeter setting — alongside the raw observation as transmitted. 6 airfields within reach of Janesville have their own pages, listed below.
The Terminal Aerodrome Forecast (TAF) is shown across its full validity period, with each change group broken out so you can see when conditions are expected to shift. Flight category is derived automatically — VFR, MVFR, IFR or LIFR — from reported ceiling and visibility, with runway details and field elevation alongside. Observations update roughly hourly and forecasts several times a day.
Other airports near Janesville: Waverly Municipal Airport (KC25) 11 km · Allison Municipal Airport (K98) 31 km · Oelwein Municipal Airport (KOLZ) 40 km · Independence Municipal Airport (KIIB) 47 km · Northeast Iowa Regional Airport (KCCY) 49 km
Conditions reported at KALO describe the airfield itself. Weather 11 km away can differ, particularly in terrain or near the coast. For conditions at Janesville specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Janesville.
About Janesville, Iowa
Janesville unfolds across a landscape sculpted by glaciers and the patient hand of agriculture, where the land rises and falls in broad, generous sweeps. It lies 8.2 miles north of Cedar Falls, IA (from Cedar Falls, IA: bearing 354°T), and is situated 5.5 miles south of Waverly. Fields of corn and soybeans, a verdant quilt in summer, stretch towards horizons that promise endless sky, their stalks whispering secrets on the wind. The Cedar River, a ribbon of quiet water, meanders through the periphery, its banks fringed with cottonwoods and willows that cast long, shifting shadows as the sun begins its descent, painting the western sky in hues of rose and amber. The air here carries the clean scent of turned earth and the distant hum of farm machinery, a steady pulse that defines the days. The history of Janesville is deeply rooted in the fertile soil of Bremer County, a place where early settlers were drawn by the promise of rich farmland and the steady presence of the Cedar River, which served as a vital artery for trade and transport. The town’s economy, for generations, has been inextricably linked to the bounty of the land, with agriculture forming its bedrock, fostering a culture of hard work and self-reliance. While modern life brings its own currents, the echoes of its agricultural past remain, visible in the weathered barns and the enduring spirit of a community that understands the rhythm of the seasons, a quiet testament to resilience and enduring connection to the earth.
Live animated radar for Janesville and surroundings — RainViewer.
NOAA GOES-16 GEOCOLOR — live animated loop updated every 10 minutes. Shows cloud cover, storm systems and weather patterns across the continental US.
Source: NOAA/NESDIS GOES-East · Public domain · Auto-updates on page reload
| Location | Janesville, Bremer County, Iowa |
| Coordinates | 42.646093°N, 92.462964°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 50647 |
| Area Code | 319 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Janesville, Iowa Weather Page
This page provides live weather conditions and forecasts for Janesville, Iowa, including current conditions, a 24-hour hourly forecast, 7-day outlook, NWS extended text forecast, precipitation radar and NOAA GOES-16 satellite imagery. Aviation weather — live METAR observations and TAF forecasts — is published separately on the pages for the nearest reporting airports, linked from the aviation section above. Additional sections may include tide predictions, wave height, wave direction and sea-surface temperature, a barometric pressure trend, and a solunar-based fishing forecast with a fishing-conditions rating for coastal localities, and soil temperature, crop weather and live USGS river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Janesville includes coordinates 42.646093°N, 92.462964°W, situated in Bremer County. ZIP code 50647. Telephone area code: 319. Timezone: Central Time (America/Chicago).
Weather data is sourced from the NOAA National Weather Service (NWS) and the open-source Open-Meteo API. River and stream data is sourced from the USGS National Water Information System. Tide predictions are sourced from NOAA CO-OPS; marine and solunar data are modeled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-East and is public domain.
