textproduct: Twin Cities
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Above normal temperatures continue through at least next week.
- Dry through Friday night, then low chances for showers and thunderstorms return to western MN Saturday into early next week.
DISCUSSION
Issued at 301 AM CDT Thu May 28 2026
High pressure is building into the Great Lakes this morning. Drier air has advected southwest across central MN and WI where dew points are in the 40s. Farther south and west they remain in the 50s and 60s. The high will weaken later today and moisture will advect back north across MN. Some diurnal CU may develop this afternoon, but it will be another dry and very warm day with highs in the lower 90s across western WI and near 80 across WI.
Light southerly flow will resume Friday and Saturday, bringing warmer temperatures back to eastern MN and WI with highs approaching 90. A reinforcing high pressure system over Hudson Bay will build into the Great Lakes again later Saturday. The very dry pwats will be confined to near the center of the high over the Great lakes with a tongue of moisture remaining in place from the southeastern U.S. to the eastern Plains. The deeper moisture and steeper lapse rates across western MN should allow daily instability to develop which may lead to a few showers and thunderstorms at times late Saturday into early next week. It is expected to remain dry farther east until closer to midweek when pwats exceeding 1.5 inches expand to the Upper Mississippi River Valley as weak shortwaves ripple along the U.S./Canadian border.
There are no signs of a significant cool down any time soon. In fact, there are increasing indications of the heat intensifying in about a week and a half with a ridge building across the central U.S. CPC has highlighted this area with a slight risk of extreme heat June 7-10.
AVIATION /12Z TAFS THROUGH 12Z FRIDAY/
Issued at 455 AM CDT Thu May 28 2026
Few mid-high level clouds through the period. ENE winds tonight will become more ESE Thursday and remain AOB 10 kts.
KMSP...No concerns.
/OUTLOOK FOR KMSP/ FRI...VFR. Wind S 5-10 kts. SAT...VFR. Wind SE 5-10 kts. SUN...VFR. Wind SE 5-10 kts.
MPX WATCHES/WARNINGS/ADVISORIES
MN...None. WI...None.
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