Temperatures were rather chilly for mid to late April over this past weekend. Given the significant warmth we received earlier this April, the cold temperatures over the weekend were likely not good for many plants that got an early start to the growing season. As such, the NWS issued a number of Freeze alerts to cover the event. The featured map presents the minimum temperature found within the 15 minute interval high-resolution temperature analysis from the NCEP Rapid-Update Real-Time Mesoscale Analysis since Friday morning. There's quite a bit of variability shown over Iowa as the model is likely trying to capture fine-scale microclimate effects driven by topography and vegetation differences. Unfortunately, we are not done with the cold yet as more near to sub freezing temperatures are in the forecast.

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