Rain/thunderstorm chances Sunday evening and overnight; quiet weather this week
Flood watch until 7 a.m. Monday in southeastern Minnesota
Our rain chances continue Sunday evening and into the overnight hours, then we’ll see several days with quiet weather.
Sunday evening and overnight
Areas of rain will continue to develop in Minnesota, western Wisconsin and northern Iowa as we go through Sunday evening and into the overnight hours. We could also see some embedded thunderstorms at times.
Parts of southeastern Minnesota, southern Wisconsin and northern Iowa have seen substantial rain totals this weekend, so additional rain could lead to some flooding. A flood watch remains in effect until 7 a.m. Monday in the green-shaded areas:
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Here are details on the flood watch, which includes Rochester:
Flood Watch National Weather Service La Crosse WI 1212 PM CDT Sun Aug 7 2022 IAZ008>011-018-019-029-030-MNZ079-086>088-094>096-WIZ032>034-041>044- 053>055-061-080500- /O.CON.KARX.FA.A.0005.000000T0000Z-220808T1200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-Clayton- Wabasha-Dodge-Olmsted-Winona-Mower-Fillmore-Houston-Buffalo- Trempealeau-Jackson-La Crosse-Monroe-Juneau-Adams-Vernon-Crawford- Richland-Grant- Including the cities of Rochester, Sparta, Viroqua, Alma, Whitehall, Dodge Center, Friendship, Platteville, Winona, Elkader, Tomah, Caledonia, Wabasha, Arcadia, Cresco, Waukon, La Crosse, New Hampton, Austin, Osage, Richland Center, Black River Falls, Prairie Du Chien, Oelwein, Preston, Decorah, Charles City, and Mauston 1212 PM CDT Sun Aug 7 2022 ...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY MORNING... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Iowa, southeast Minnesota and Wisconsin, including the following counties, in Iowa, Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and Winneshiek. In southeast Minnesota, Dodge, Fillmore, Houston, Mower, Olmsted, Wabasha and Winona. In Wisconsin, Adams, Buffalo, Crawford, Grant, Jackson, Juneau, La Crosse, Monroe, Richland, Trempealeau and Vernon. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - After the rain the fell Saturday night, the storage capacity of the ground has been reduced. With more rain expected to fall tonight, some of which could be heavy, the potential for flash flooding to occur still exists. An additional 1 to 3 inches of rain, with locally higher totals, will be possible tonight. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Thunderstorm updates and updates on the potential flooding situation in southeastern Minnesota, northeastern Iowa and portions of Wisconsin will be posted by the Twin Cities, and La Crosse NWS offices.
You can hear updated weather information for Minnesota and western Wisconsin on the Minnesota Public Radio News network, and you can see updated weather info on the MPR News live weather blog.
Temperature trends
Sunday’s high temp at Minneapolis-St. Paul International Airport was 77 degrees. That’s 5 degrees cooler than our average August 7 high temp in the Twin Cities.
Monday highs will be in the 70s in the Twin Cities metro area and most of Minnesota and western Wisconsin:
Monday afternoon dew points will be fairly comfortable, in the 50s:
Back to forecast high temps, Twin Cities metro area highs are projected to reach the lower 80s on Tuesday, followed by upper 80s Wednesday then lower 80s Thursday and mid 80s on Friday. I should mention that it looks fairly rain-free in the Twin Cities metro area during the daylight hours of Monday and also Tuesday through Thursday. We could see a shower/t-storm chance return Friday afternoon or evening. Check forecast updates.
Warm stretch next weekend and beyond
Temperatures may be above-normal next weekend and into the first few days of the following week. The NWS Climate Prediction Center shows a tendency for above-normal temperatures in the upper Midwest from August 13 through August 17:
Weather nugget
Rainfall at Minneapolis-St. Paul International Airport from June 1 through this Saturday was 6.46 inches below normal. We could still use some rain.
Programming note
You can hear my live weather updates on MPR News at 7:35 a.m., 9:35 a.m. and 4:39 p.m. each Saturday and Sunday.