Rainfall totals for the previous two days were beneficial for northwest Iowa where Estherville Municipal Airport (Emmet County) registered 2.50 inches while other nearby stations reported amounts nearing 1.00 to 1.50 inches. Moderate rain showers streamed north to south in western Iowa through the afternoon of the 8th as skies cleared into the evening hours. Hit-or-miss thundershowers popped in western Iowa later in the day with Hastings (Mills County) and Sibley (Osceola County) observing 0.52 and 0.53-inch totals, respectively. Rain totals reported at 7:00 am on the 5th showed widespread 0.10-0.20 inches with isolated pockets of heavier totals Clare (Webster County) observed 0.53 inches while West Bend (Palo Alto County) measured 0.71 inches. As the sun set and the heating of the day was lost, the remaining thunderstorms dissipated. The large-scale steering flow pushed these storms from east to west with cells becoming severe-warned in southeastern Iowa. Easterly flow pushed scattered thundershowers across northern Iowa during the afternoon hours of the 3rd Rock Valley (Sioux County) reported 1.24 inches while Swea City (Kossuth County) picked up 1.45 inches.ĭaytime temperatures on the 4th were in the low to mid 80s, helping scattered thunderstorms form across Iowa. Rain totals over the previous 48 hours were above 0.30 inches at most stations receiving rainfall with Atlantic (Cass County) and Little Sioux (Harrison County) reporting 2.09 and 2.30 inches, respectively. Most of the thunderstorm activity fizzled out around sunset with rain showers remaining in western Iowa. In the presence of ample low-level moisture and instability, afternoon thunderstorms again fired over much of Iowa. Pockets of showers and thunderstorms formed from southwest to central Iowa into the morning of the 1st with afternoon heat producing scattered pop-up storms across the state several hours later. There were also several small pockets of above-normal amounts across various sections of the state. Most of Iowa’s National Weather Service co-op stations reported below-average totals during June, especially in western and northeastern Iowa where pockets of three to four-inch deficits were observed. Cooling degree day totals are running 4% less than last year at this time and 20% more than normal. Home cooling requirements, as estimated by cooling degree day totals, averaged 4% less than last June and 14% more than normal. Elkader (Clayton County) reported the month’s low temperature of 35 degrees on the 12th, 20 degrees below normal. Washington (Washington County) reported the month’s high temperature of 95 degrees on the 24th, 12 degrees above normal. June’s statewide average maximum temperature was 83.8 degrees, 3.2 degrees above normal while the average minimum temperature was 58.9 degrees, 0.3 degree below normal. A warmer June occurred in 2022, while a drier June occurred in 2006, which was the 10th driest.Īverage temperatures varied in June with near-normal conditions over portions of southern and eastern Iowa and temperatures up to three degrees above-normal in the northwest. June 2023 ties 1913, 19 as the 40th warmest and ranks as the 16th driest June in 151 years of statewide records. An inland moving cold front, dry conditions, lower humidity levels and gusty winds will further elevate the critical fire weather threat across the northern Great Basin and northern Rockies.Temperatures averaged 71.3 degrees or 1.4 degrees above normal while precipitation totaled 2.80 inches or 2.46 inches below normal. US air quality map Northern Great Basin and northern Rockies face fire threatĮven with below average temperatures across the region, parts of the northwestern U.S. The upper Mississippi Valley into the Great Lakes and Ohio Valley are next to see air quality alerts for the next few days as persistent western smoke moves southeast, the NWS forecasts. Ongoing Canadian wildfires are not done worsening air quality in the U.S. Air quality to worsen in upper Mississippi Valley, Great Lakes By Wednesday, the frontal boundary causing this will impact the Midwest. US heat index map Severe rainfall expected for the northern Plains, Midwest, Mid-AtlanticĪctive thunderstorms, isolated flash floods and other severe weather was forecast until dawn Tuesday from the northern Plains into the Mid-Atlantic region, according to the NWS. Katie Hobbs to the state's utility companies. At least 18 heat-related deaths have been confirmed in the Phoenix area, while an additional 69 deaths are suspected of being heat-related as of July 15, according to a letter from Arizona Gov. As of midday Tuesday, more than 46 million Americans were under heat alerts.
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