Flooding and heat concerns for Monday

Hot weather continues into next week

Heavy rain is causing flooding Monday morning, then the afternoon brings dangerous heat. Active weather stays through midweek, but the heat lingers even longer.

Monday’s forecast

A wide area of convection built up over southern Minnesota early Monday, bringing persistent thunderstorms with heavy rain to areas from the Twin Cities through the Minnesota River Valley. Here are some of the highest rain totals reports as of 9 a.m.:

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Highest Minnesota rain totals as of 9 a.m. Monday
CoCoRaHS

This has created areas of flooding which will continue through the morning, especially given additional storms moving across the state.

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8:28 a.m. Monday radar
National Weather Service

The widespread showers and storms move out by late morning, then the afternoon stays dry for most of the state. However, a few more showers and storms could develop Monday evening, with isolated areas seeing the potential for more heavy rain.

As the morning storms move out, the heat cranks up. Much of western and southern Minnesota could make it to 90 or above.

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Monday high temperatures
National Weather Service

With very humid weather across the state, the heat indices will be near 100 in parts of southern and western Minnesota.  Because of this, a heat advisory is in effect from 1 p.m. to 8 p.m. Monday for west-central Minnesota and the Twin Cities metropolitan area. 

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Heat Advisory Monday afternoon
National Weather Service

Active weather continues

The weather across Minnesota remains unstable the next few days, with occasional showers and storms likely through Thursday. The most likely time for wet weather is in the afternoons and evenings, and rain chances Wednesday are more widespread. 

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Wednesday afternoon forecast storms
Tropical Tidbits

The active weather is being caused in part by a prevailing wind flow from the southeast. This has been funneling in very moist air, all the way from the Gulf of Mexico.

No break in the heat

Temperatures stay well above average all week, with highs in the 80s and 90s and high humidity. 

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Twin Cities forecast through Friday
National Weather Service

By the holiday weekend, temperatures are even higher, with most of the sate in the 90s. Next week also looks likely to stay hot.

Programming note

You can hear my live weather updates on Minnesota Public Radio at 7:48 a.m. Monday through Friday morning.

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