Merrimac, Wisconsin Weather
Merrimac, Wisconsin — live current conditions, hourly and 7-day forecasts, NWS alerts, radar and satellite imagery, soil and crop conditions for Merrimac, Sauk County.
Full aviation weather for Merrimac is published on the Sauk-Prairie Airport (K91C) page, 14 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 Merrimac 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 Merrimac: Baraboo Wisconsin Dells Regional Airport (KDLL) 20 km · Portage Municipal Airport (KC47) 24 km · Waunakee Airport (K6P3) 26 km · Middleton Municipal Morey Field (KC29) 30 km · Reedsburg Municipal Airport (KC35) 34 km
Conditions reported at K91C describe the airfield itself. Weather 14 km away can differ, particularly in terrain or near the coast. For conditions at Merrimac specifically, see the current conditions and forecast above.
Soil conditions, frost risk and crop weather for Merrimac.
About Merrimac, Wisconsin
Merrimac rests in a land shaped by the slow, deliberate work of glaciers, where the terrain rolls with a gentle insistence, a constant reminder of the immense forces that once sculpted these hills. It lies 15.3 miles east of Sauk, WI (from Sauk, WI: bearing 99°T), and is situated 9.1 miles south-east of Baraboo. The fields here are not flat plains but rather lie in broad, sweeping curves, often patched with the deep green of corn or the pale gold of ripening wheat, bordered by the darker, more serious hues of oak and maple woodlands. Even in the height of summer, a cool breath seems to linger in the air, particularly as the sun begins its descent, casting long, soft shadows that seem to pool in the hollows of the land. The roads, often unpaved, wind their way through this landscape with a quiet understanding, following the contours of the earth rather than imposing their will upon it. The story of Merrimac is one of quiet persistence, tied to the fertile soil and the nearby waters of the Wisconsin River. For generations, farming has been the lifeblood, a practice that continues to define the rhythm of life here, with the seasons dictating the pace of work and the bounty of the harvest. While agriculture remains central, the surrounding natural beauty has drawn a different kind of attention, particularly the allure of Mirror Lake State Park, a gem that draws visitors seeking the tranquility of its waters and the shaded trails winding through its woods. This proximity to nature has fostered a certain character in Merrimac, one that values the open sky and the enduring strength of the land, a place where the echoes of past settlers still resonate in the quiet hum of everyday life.
Live animated radar for Merrimac 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 | Merrimac, Sauk County, Wisconsin |
| Coordinates | 43.37332°N, 89.623455°W |
| Timezone | Central Time (America/Chicago) |
| ZIP Code(s) | 53561 |
| Area Code | 715 |
| Page generated | September 2026 |
| Weather data | Open-Meteo (open-source), NOAA National Weather Service |
About This Merrimac, Wisconsin Weather Page
This page provides live weather conditions and forecasts for Merrimac, Wisconsin, 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 Merrimac includes coordinates 43.373320°N, 89.623455°W, situated in Sauk County. ZIP code 53561. Telephone area code: 715. 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.
