2026-05-15T17:42:58-05:00 current observations and forecast Des Moines, IA https://www.weather.gov/desmoines https://www.nws.noaa.gov/forecasts/xml/ point1 Sheffield, IA Sheffield 1099 https://forecast.weather.gov/MapClick.php?lat=42.89&lon=-93.23 k-p6h-n1-1 2026-05-15T17:00:00-05:00 2026-05-15T22:47:52-05:00 k-p12h-n15-1 2026-05-15T17:00:00-05:00 2026-05-15T18:00:00-05:00 2026-05-16T06:00:00-05:00 2026-05-16T18:00:00-05:00 2026-05-17T06:00:00-05:00 2026-05-17T18:00:00-05:00 2026-05-18T06:00:00-05:00 2026-05-18T18:00:00-05:00 2026-05-19T06:00:00-05:00 2026-05-19T18:00:00-05:00 2026-05-20T06:00:00-05:00 2026-05-20T18:00:00-05:00 2026-05-21T06:00:00-05:00 2026-05-21T18:00:00-05:00 2026-05-22T06:00:00-05:00 k-p24h-n8-1 2026-05-15T17:00:00-05:00 2026-05-16T06:00:00-05:00 2026-05-17T06:00:00-05:00 2026-05-18T06:00:00-05:00 2026-05-19T06:00:00-05:00 2026-05-20T06:00:00-05:00 2026-05-21T06:00:00-05:00 2026-05-22T06:00:00-05:00 k-p24h-n7-2 2026-05-15T18:00:00-05:00 2026-05-16T18:00:00-05:00 2026-05-17T18:00:00-05:00 2026-05-18T18:00:00-05:00 2026-05-19T18:00:00-05:00 2026-05-20T18:00:00-05:00 2026-05-21T18:00:00-05:00 Daily Maximum Temperature 87 83 84 83 65 64 69 74 Daily Minimum Temperature 52 54 59 51 40 41 46 12 Hourly Probability of Precipitation 90 70 70 80 90 80 Weather Type, Coverage, Intensity Conditions Icon https://forecast.weather.gov/newimages/medium/few.png https://forecast.weather.gov/DualImage.php?i=nscttsra&j=nscttsra&ip=90&jp=40 https://forecast.weather.gov/newimages/medium/few.png https://forecast.weather.gov/DualImage.php?i=nscttsra&j=nscttsra&ip=40&jp=70 https://forecast.weather.gov/newimages/medium/shra70.png https://forecast.weather.gov/newimages/medium/nshra80.png https://forecast.weather.gov/DualImage.php?i=shra&j=scttsra&ip=80&jp=90 https://forecast.weather.gov/newimages/medium/nshra80.png https://forecast.weather.gov/newimages/medium/wind_bkn.png https://forecast.weather.gov/DualImage.php?i=nwind_sct&j=nsct https://forecast.weather.gov/newimages/medium/few.png https://forecast.weather.gov/newimages/medium/nsct.png https://forecast.weather.gov/newimages/medium/sct.png https://forecast.weather.gov/newimages/medium/nsct.png https://forecast.weather.gov/newimages/medium/sct.png Watches, Warnings, and Advisories https://forecast.weather.gov/showsigwx.php?warnzone=IAZ026&warncounty=IAC069&firewxzone=IAZ026&local_place1=Sheffield+IA&product1=Severe+Thunderstorm+Watch Watches, Warnings, and Advisories https://forecast.weather.gov/showsigwx.php?warnzone=IAZ026&warncounty=IAC069&firewxzone=IAZ026&local_place1=Sheffield+IA&product1=Hazardous+Weather+Outlook Text Forecast Sunny, with a steady temperature around 87. South wind around 15 mph, with gusts as high as 21 mph. Showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Some of the storms could be severe. Low around 52. South wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. Sunny, with a high near 83. Light and variable wind becoming northeast 5 to 7 mph in the morning. A slight chance of showers, then showers and thunderstorms likely after 10pm. Mostly cloudy, with a low around 54. East wind 7 to 11 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. Windy, with an east southeast wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Showers and possibly a thunderstorm. Low around 59. Windy. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. Showers and possibly a thunderstorm. High near 83. Windy. Chance of precipitation is 90%. Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 51. Windy. Chance of precipitation is 80%. Partly sunny, with a high near 65. Windy. Partly cloudy, with a low around 40. Windy. Sunny, with a high near 64. Partly cloudy, with a low around 41. Mostly sunny, with a high near 69. Partly cloudy, with a low around 46. Mostly sunny, with a high near 74. point1 Mason City Municipal Airport, IA 1188 https://www.nws.noaa.gov/data/obhistory/KMCW.html k-p1h-n1-1 2026-05-15T16:53:00-05:00 87 48 26 Weather Type, Coverage, Intensity 10.00 Conditions Icon https://forecast.weather.gov/newimages/medium/few.png 170 22 16 29.65