Heatwave: A sultry Monday with expected thunderstorms northwest this evening
Overnight conditions have remained very warm and humid and have provided little thermal relief.
Look for Monday to be dangerously hot and humid statewide. Various excessive heat warnings and heat advisories have been posted to include all parts of Minnesota and about the northern half of Wisconsin. The excessive heat warning for the most-dangerous conditions covers basically the greater Twin Cities area, central Minnesota, the Minnesota River Valley and part of northwestern Minnesota into Monday night.
Most of Minnesota will have high temperatures in the 90s Monday afternoon with plenty of humidity.
The Twin Cities will have a high temperature near 99 with a dew point in the low 70s. The heat index will climb to about 104. The record high for today is 98 (1933).
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Thunderstorm chances
A cold front will kick off scattered thunderstorms beginning mainly in west central and northwestern Minnesota Monday afternoon. Storms will grow as they spread northeastward. Some could become severe Monday evening. The marginal risk area (level 1 of 5) extends southeast into the Twin Cities.
Better on Tuesday
The cold front will drag somewhat less sultry conditions into the state from the northwest for Tuesday.
Wednesday looks like the most pleasant day of the week before we warm again Thursday and Friday.
Maybe rain later in the week
Thursday, Friday and Saturday will bring chances of scattered rain, which many of our lawns and gardens could use.