![]() ![]() The most likely time for severe storms would be from 4:00 p.m. Large hail, damaging wind, and even a couple of tornadoes will be possible, with the greatest risk for a tornado during the early stages of storms before they congeal. A slight risk for severe weather exists generally south and west of a line from Fayette to Tipton, including cities like Waterloo, Iowa City, and Cedar Rapids. The second potential round of storms on Saturday is the one that carries the risk of some strong to severe storms. Storms may congeal into a line by then, pushing through the viewing area from west to east. This could include parts of the KCRG-TV9 viewing area, but the chance for storms increases later into the evening and night. This is when scattered storms could develop over parts of the state, with the most likely initiation area in the northern and western parts of the state. ![]() Read details Mon 9:36a Now 8a 9a 10a 11a. Either after a break following the morning activity, or just after a day’s worth of heating if morning storms fail to materialize, things will gradually turn more unstable toward late afternoon. 26 Today Hourly 10 Day Radar Storms Ardmore, OK Radar Map Rain Frz Rain Mix Snow Ardmore, OK Heat Advisory from MON 1:00 PM CDT until MON 9:00 PM CDT. The better chance for storms still appears to be later in the day into Saturday night. Still, a little bit of gusty wind and some rain is possible before they decay. If they do survive this far east, the chances are that they will be in a weakening phase. This is when showers and storms, that will have developed in the Plains on Friday night, could push into eastern Iowa. We’re watching two time periods for thunderstorm activity at this point, with the first by mid to late morning. Your best resource for Local Iowa City, Iowa Radar. Saturday is also when things could turn stormy at times. Iowa City, IA Doppler Radar Weather - Find local 52240 Iowa City, Iowa radar loop and radar weather images. Temperatures are likely to fall into the mid to upper 60s, giving us a warm start to the weekend. Things stay quiet tonight for the most part, though clouds may build a bit toward morning. Air quality could take a bit of a hit during the afternoon as ozone levels build up again in peak heating, so those with respiratory conditions that make them sensitive to that type of pollution should consider limiting outdoor activities. Temperatures warm quickly into the upper 80s and lower 90s, but dew points stay reasonable throughout the day. Skies remain mostly sunny today, with just scattered pop-up clouds through the afternoon once again. Since hail can cause the rainfall estimates to be higher than what is actually occurring, steps are taken to prevent these high dBZ values from being converted to rainfall.CEDAR RAPIDS, Iowa (KCRG) - Expect a similar day to wrap up the workweek, but the weekend turns a bit more active after several quiet days. ![]() Hail is a good reflector of energy and will return very high dBZ values. These values are estimates of the rainfall per hour, updated each volume scan, with rainfall accumulated over time. Todays and tonights Iowa City, IA weather forecast, weather conditions and Doppler radar from The Weather Channel and Weather. Depending on the type of weather occurring and the area of the U.S., forecasters use a set of rainrates which are associated to the dBZ values. The higher the dBZ, the stronger the rainrate. Typically, light rain is occurring when the dBZ value reaches 20. The scale of dBZ values is also related to the intensity of rainfall. ![]() The value of the dBZ depends upon the mode the radar is in at the time the image was created. Notice the color on each scale remains the same in both operational modes, only the values change. The other scale (near left) represents dBZ values when the radar is in precipitation mode (dBZ values from 5 to 75). One scale (far left) represents dBZ values when the radar is in clear air mode (dBZ values from -28 to +28). Each reflectivity image you see includes one of two color scales. The dBZ values increase as the strength of the signal returned to the radar increases. So, a more convenient number for calculations and comparison, a decibel (or logarithmic) scale (dBZ), is used. Reflectivity (designated by the letter Z) covers a wide range of signals (from very weak to very strong). "Reflectivity" is the amount of transmitted power returned to the radar receiver. The colors are the different echo intensities (reflectivity) measured in dBZ (decibels of Z) during each elevation scan. ![]()
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