Updraft® - Minnesota Weather News

Pleasant weekend start gives way to unsettled weather

Seasonal temperatures with comfortable humidity Saturday

5-day forecast
5-day forecast
National Weather Service

Plenty of sunshine, low humidity, and temperatures in the lower 80s will make for a nearly perfect August day to spend outside. It’s the kind of forecast that reminds us summer still has plenty left to offer.

Spectacular Saturday ahead

Saturday will bring pleasant summer weather across Minnesota, with plenty of sunshine, comfortable humidity levels, and temperatures climbing into the upper 70s and low 80s. The combination of seasonable warmth and relatively dry air will make for an enjoyable day outdoors before rain and thunderstorm chances return later Saturday night and continue periodically into early next week.

Highs for Saturday
Highs for Saturday
National Weather Service

The best opportunities for rain in the forecast will arrive during the overnight and early morning hours, including Saturday night into Sunday morning, Sunday night into Monday morning, and again early Tuesday. Not everyone will see rain, and many hours between these rounds will remain dry.

Forecast precipitation Saturday 7 a.m. to Tuesday 7 a.m.
Forecast precipitation Saturday 7 a.m. to Tuesday 7 a.m.
NOAA via Pivotal Weather

A few storms during these periods could become strong, especially across southwestern and southern Minnesota. The Storm Prediction Center has placed parts of southern and southwestern Minnesota in a marginal risk (level 1 out of 5) for severe weather for Saturday.

Severe weather threat for Saturday
Severe weather threat for Saturday
NOAA via Storm Prediction Center

Humidity levels will also make a gradual comeback. Dew points in the comfortable 50s on Saturday will climb into the 60s, and in some areas near 70 degrees, by Sunday.

Dew points Saturday through Sunday
Dew points Saturday through Sunday
NOAA via College of DuPage Weather

By Tuesday, the weather pattern begins to settle down as high pressure returns to the Upper Midwest.

Temperatures will stay close to seasonal averages through Wednesday, with highs generally in the upper 70s to low to middle 80s. Then, a cooler push of Canadian air arrives late in the week. Highs will slip back into the 70s beginning Thursday, while overnight lows settle into the 50s. It’s not a dramatic cool-down, but it may be enough to remind Minnesotans that summer’s second half is quietly underway.

High/low temperatures through Aug.18
High/low temperatures through Aug.18v
NOAA via WeatherBELL Analytics