* WHAT. Heat index values up to 100 expected. * WHERE. Anoka, Carver, Dakota, Hennepin, Ramsey, Scott, and Washington Counties. * WHEN. From 1 PM this afternoon to 7 PM CDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

FFWMPX The National Weather Service in the Twin Cities has issued a * Flash Flood Warning for. Southern McLeod County in central Minnesota. Southeastern Renville County in central Minnesota. Northwestern Sibley County in central Minnesota. * Until 645 AM CDT Sunday. * At 1242 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3.5 inches of rain have fallen. The expected rainfall rate is 2 to 3 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

At 259 AM CDT, Doppler radar indicated thunderstorms have ended across the warned area. However, between 3 and 6 inches of rain have fallen and runoff continues. HAZARD. Flash flooding caused by thunderstorms. SOURCE. Radar. IMPACT. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.

The National Weather Service in the Twin Cities has issued a Flood Warning for the following rivers in Minnesota. South Fork Crow River below Mayer affecting Carver County. * WHAT. Minor flooding is forecast. * WHERE. South Fork Crow River below Mayer. * WHEN. From this evening to early Wednesday afternoon. * IMPACTS. At 12.0 feet, Flooding affects Mill Avenue from Watertown to the Wright County line; Yancy Avenue between Carver County Road 30 and 78th Street; Vega Avenue between Carver County Road 33 and 94th Street; and the intersection of Union Avenue and 82nd Street. * ADDITIONAL DETAILS. - At 130 AM CDT Sunday, the stage was 9.5 feet. - Forecast. The river is expected to rise above flood stage this evening to a crest of 11.9 feet tomorrow evening. It will then fall below flood stage Wednesday morning. - Flood stage is 11.0 feet. - Flood History. This crest compares to a previous crest of 11.8 feet on 05/28/2011.