What the forecast actually says — NWS Area Forecast Discussions, decoded into plain English.
Area Forecast Discussion · National Weather Service Omaha (OAX) · issued Friday, November 13 at 5:09 AM CST.
Revised in 2 passages since the 11:21 PM discussion. See every revision.
Messages
Cooler temperatures will be the predominant theme leading into the weekend, with highs reaching the mid 40s and low temperatures dipping down into the mid 20s.
A warming trend will begin to occur starting Saturday, causing temperatures to reach into the 50s and even low 60s by Wednesday.
The area will see a period of dry weather through the weekend into beginning of next week, with our next chance of rain being Wednesday (20-40% chance).
Short Term
Current temperatures across the forecast area have dipped into the upper 20s and lower 30s, officially beginning the first freeze of the season for the Omaha metropolitan area. This freeze was caused by northern air mass flow from a troughing pattern that shifted through the Upper Mississippi Valley earlier Thursday. This trend of colder temperatures will be persisting through the next few days, with highs today and Saturday in the mid 40s and lows in the upper 20s. The prevalence of lower temperatures continuing through the end of the week will be influenced by the presence of a ridge that is slowly propagating through the Central CONUS. Until this ridge passes, northerly flow aloft is expected to keep temperatures lower.
On top of the calmer conditions expected, this high pressure system will also be introducing drier air into the region, prompting cloud cover to be at a minimal today. As a result, models are trending mostly sunny today, transitioning into partly cloudy sky conditions this evening. Cloud cover will continue to increase into Saturday, with a sharp rise into cloudy conditions Saturday evening.
Long Term
At the beginning of next week, temperatures will begin to crawl back into the 50s as the ridging pattern shifts eastward, funneling in warm southerly air. By Wednesday, some spots will be reaching into the 60s. This trend of warming will persist through at least the end of next week, keeping temperatures in the lower 60s past Wednesday.
The next chance of precipitation (20-40%) will become a possibility on Wednesday. The low level jet is forecasted to strengthen overnight Tuesday into Wednesday morning, which will also funnel in moisture, creating mixing in the lower levels. A cold front associated with a surface low will also be on the move through the OAX forecast area as well, adding in a lifting mechanism that could provide aid in yielding showers for the area. Timing of this precipitation is still largely uncertain, and the models are beginning to show precipitation taking a more southern track, which is why confidence in precipitation chances still remain from 20-40%.
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