Flash Flood Risk. NWS Doppler out of Grand Forks is estimating some 6-10" rainfall amounts over far southeastern North Dakota and northeastern South Dakota, 2-3 month's worth of rain overnight. These storms are weakening, but still capable of some 3-6" rainfall amounts from near Wheaton to Breckenridge and Wheaton. More from the NWS:
BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND 817 AM CDT MON AUG 15 2011
THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A
* FLASH FLOOD WARNING FOR... RICHLAND COUNTY IN SOUTHEAST NORTH DAKOTA... WILKIN COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 800 PM CDT MONDAY
* AT 817 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA. THE RADAR INDICATED 4 TO 6 INCHES OF RAINFALL HAD ALREADY FALLEN IN THE LIDGERWOOD AND HANKINSON AREAS.
* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... WAHPETON...BRECKENRIDGE...HANKINSON...LIDGERWOOD...WYNDMERE... ABERCROMBIE AND BARNEY.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL FLOAT MOST CARS DOWNSTREAM.
Weakening Storms. NWS Doppler out of the Twin Cities at 11:23 am shows heavy showers and T-storms from Alexandria and Glenwood westward to Wheaton - drifting east/northeast - the bulk of the rain may stay just north of MSP early this afternoon.
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It's pretty quiet out there, all things considered. We could easily be knee-deep in snow and ice by now, so 40s and 50s? Personally, I can live with that. Winds ease up today with flurries, maybe a coating up north by afternoon. Temperatures moderate Thanksgiving into Friday; relative warmth spilling into early next week. A strong west flow should insulate us from the coldest winds of winter through the first week of December. After that all bets are off.
November got off to a numbing start, and it looks like we'll finish the month with a slight mild bias; more 40s, even a couple more 50s possible before we skate into December. The weather looks miraculously quiet this week - 40s return by Thanksgiving with a shot at 50F on Friday. Considering snow could be thigh-high by now I'm not about to complain.
Highs will climb into the 50s under sunny skies Monday across southern Minnesota, while a few snow showers will be possible by the evening in northern Minnesota. There aren't too many weather concerns this week locally though for any Turkey Day travels. More in the blog! - D.J. Kayser
Nice weather will continue into the second half of the weekend, with a mix of clouds and sun expected and highs that are around average. The weather looks good for Thanksgiving - but will there be any weather concerns for travel this week? Click for details! - D.J. Kayser
Friday was hard to love, weatherwise. Then again, November is the cloudiest, dreariest month of the year in Minnesota. A quiet weekend is shaping up with highs in the 30s; the best chance of a rare sunshine sighting on Sunday. 50F is not out of the question next Monday; again Friday of next week (Black Friday). Yes, I'll be power-shopping for a not-as-cold-front. Still no big storms brewing looking out 1-2 weeks.