Plaincast
What the forecast actually says — NWS Area Forecast Discussions, decoded into plain English.
Revised in 4 passages since the 2:58 AM discussion. See every revision.
Showers and isolated thunderstorms are expected today. Rainfall totals generally less than a quarter of an inch, but locally higher amounts possible.
Colder weather moves in Sunday into Monday.
An active weather pattern will bring several rain chances next week and possibly a little snow Tuesday morning.
Showers are passing through tonight, and they will continue up the North Shore and Northwest Wisconsin through this morning. A cold front and upper-level trough aloft will trigger a line of showers and possibly some embedded non-severe thunderstorms through today. Potential instability is not much. maybe a few hundred J/kg, and any storms should be elevated. Strong storms are not expected. Rainfall amounts will likely be less than a quarter of an inch, but locally higher amounts are possible with any thunderstorms.
On Sunday, dry weather is still in the forecast with humidity values falling into the 25-35% range. Winds are not expected to be exceptionally strong with gusts to around 15 mph for most places, except to around 20 mph in the Arrowhead. Fire weather conditions may be slightly elevated.
All other aspects of the forecast remain relatively unchanged with this update. Please see the previous discussion for more information.
Fog lingers in areas near Lake Superior this afternoon. Dense This fog is expected to clear as a warm front makes its way northeast. Temperatures for the rest of the day will push into the upper 60s and 70s inland, though the shoreline will stay slightly cooler under the fog and cloud cover. A warm front will move through today, shifting winds to the south to southwest and increasing gusts to up to 30 mph tonight. Rain showers will also follow the warm front in the late afternoon and overnight hours. Most will see rain accumulations of less then 0.1".
Saturday, the associated low pressure system tracking east will also bring a cold front west to east across our area. This boundary will provide another round of light rain showers and perhaps an isolated rumble of thunder. Strong southerly flow continues ahead of the front will allow highs to climb into the 60s and lower 70s once again, marking our last warm day for the foreseeable future. Rain chances will quickly taper off from west to east Saturday night.
A much cooler and more seasonable air mass settles in on Sunday behind the departing cold front. Highs will only reach the 40s and 50s under mostly sunny skies as surface high pressure builds in over the area. RHs dip back down into the 25-35% range Sunday, but with lower winds, no fire weather concerns are anticipated. The cooler air mass will allow Sunday night temperatures to drop below freezing for most inland locations.
The extended forecast for Monday through Thursday features a return to an active weather pattern. An upper level low is forecast to move east out of the central Rockies early next week, bringing widespread precipitation chances to the region from Monday into Wednesday. With the cooler air mass firmly in place, some snow could mix in on the northern fringes of the system, though this is currently expected to be minor conversational snow with small accumulations, if any. High temperatures will largely remain in the 40s and 50s through Thursday with overnight lows near or below freezing.
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Data from the National Weather Service. Translated by Claude. About · For developers & agents · Subscribe: RSS feed for this office · Source on GitHub