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Revised forecast calls for cooler week than previously thought

News, Weather

August 8th, 2022 by Ric Hanson

(Radio Iowa) – Many areas got some rainfall this weekend — but there was a wide variation in the amounts. National Weather Service meteorologist, Brad Small, says the biggest totals were in the north. “We had very heavy rainfall in north-central parts of the state, around Mason City southwest to Charles City, by Lake Mills, and they saw four to seven inches of rain up there,” he says. Things were a bit more sporadic in central Iowa.

“Some locations saw over an inch. And one of those places was the heart of Des Moines through downtown Des Moines and then the eastern sections,” Small says, “but you get not too far away from that, like up here in the office and Johnston there was only a few tenths, maybe a quarter inch or more in some spots. So that the heavy rains were not really widespread.” Small says that’s typical of the summer thunderstorms, they move through quickly and we don’t get long periods of rain.

One change following the storms is forecasters have revised the outlook that had the state moving back to the sweltering temperatures. “We’re gonna see more seasonal temperatures and humidity levels for the rest of the work week. So, nothing like we saw over the weekend,” he says. “Highs will be in the 80s, maybe 90s at times, but it will be with lower humidity and dew points. So there’s 70-plus dew points we saw over the weekend and even before that are not really in the forecast.” He says it’ll nice stretch of weather this week compared to what had been projected.

“It’s a welcome change in the forecast. Right now it looks like we’re still looking for mid-to-later portions of August, for better chances for above normal temperatures. That’s about the 15th through the 21st,” he says. Small says the temperatures will be nice — but we aren’t likely to see more rain to help with the deficits.

Skyscan Forecast for Atlantic & the Nishna Valley: Monday, Aug. 8, 2022

Weather

August 8th, 2022 by Ric Hanson

Today: Cloudy to Partly cloudy. High 82. NW @ 10-20.
Tonight: Mostly clear. Low 55.
Tomorrow: Mostly sunny. High 86. SE @ 5-10.
Wednesday: P/Cldy. High 92.
Thursday: Isolated showers/thunderstorms. High near 90.

Sunday’s High in Atlantic was 93. Our Low was 66. We received .1″ (one-tenth of an inch) rain early this morning. Last year on this date the High in Atlantic was 82 and the Low was 65. The Record High on this date was 111 in 1934. The Record Low was 39 in 1904.

Skyscan Forecast for Atlantic & the Nishna Valley: Sunday, Aug. 7, 2022

Weather

August 7th, 2022 by Ric Hanson

Today: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 3pm. Mostly sunny, with a high near 94. **HEAT ADVISORY from Noon until 8-p.m.**Heat index values as high as 103. South southwest wind 6 to 10 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: A 40 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 65. West wind 6 to 8 mph becoming north in the evening. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday: A 10 percent chance of showers and thunderstorms before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 80. North wind 8 to 10 mph, with gusts as high as 18 mph.
Tuesday: Sunny, with a high near 84. Light east wind.
Wednesday: Sunny, with a high near 90.

Saturday’s High in Atlantic was 97. The Low was 76. Last year on this date the High in Atlantic was 84 and the Low was 66. The Record High on this date was 103 in 1937. The Record Low was 45 in 1989.

Skyscan Forecast for Atlantic & the Nishna Valley: Saturday, Aug. 6, 2022

Weather

August 6th, 2022 by Ric Hanson

Today: Partly cloudy, hot & humid. High 97. HEAT INDEX 105-110. S @ 10-15. HEAT ADVISORY from Noon until 9-p.m.
Tonight: P/Cldy to cloudy w/20% chance of showers. Low 78. S @ 10-15.
Tomorrow: Mostly cloudy & humid w/a 35% chance of rain. High 94. S @ 10.
Monday: A 75% chance of morning showers; Becoming Sunny. High 81. NE @ 10.
Tuesday: Mostly Cloudy. High 92. E @ 10.

Friday’s High in Atlantic was 92. The Low was 60. Last year on this date the High in Atlantic was 87 and the Low was 66. The Record High on this date was 105 in 1930. The Record Low was 46 in 1974 & 1997.

Burn Ban issued for Mills County

Ag/Outdoor, News, Weather

August 5th, 2022 by Ric Hanson

(Glenwood, Iowa) – Two Counties in southwest Iowa now have bans in place on outdoor burning. On Thursday, a ban on open burning went into effect in Adair County. Today (Friday), the State Fire Marshal’s Office issued a BURN BAN for Mills County, effective from 8-a.m. Saturday, August 6th, and until further notice. The conditions are such in both Adair and Mills Counties, that conducting an open burn creates a danger to lives and property.

Once fire officials in each county agree those conditions no longer exist, the Emergency Management Director will request the ban to be removed. Until then, a violation of the ban on open burning, is a simple misdemeanor.

Iowa forecast: Heat index may hit 108 on Saturday afternoon

News, Weather

August 5th, 2022 by Ric Hanson

(Radio Iowa) – Another steamy, summer weekend is ahead with yet another Heat Advisory posted for a wide portion of the state. Meteorologist Rod Donavon, at the National Weather Service, says you may be getting sick of the hot, humid days but it’s relatively in line with August in Iowa. “We do have warming temperatures coming back to the forecast, already starting today as we have highs back in the 90s,” Donavon says. “Hot and humid conditions are expected on Saturday and we are looking at heat index values in that 105, even 108 range by the afternoon, so extremely warm and humid by the afternoon.”

Heat Advisory covers the lower two-thirds of the state, roughly all counties south of Highway 20, from noon Saturday through 9 o’clock that night. The forecast calls for the dry spell to end for parts of the state on Saturday night — with possible thunderstorms. “They have some rain chances coming in, especially later Saturday evening and as we go into Sunday, the cold front finally reaches the area,” Donavon says. “We have some areas possibly could get some decent rainfalls and then we are followed by much cooler conditions, especially as we go into Monday with highs really only in the 70s.”

Temperatures Sunday are still expected mostly in the 80s and 90s, with a cool-down early next week, and highs back in the 90s by Wednesday.

Skyscan Forecast for Atlantic & the Nishna Valley: Friday, Aug. 5, 2022

Weather

August 5th, 2022 by Ric Hanson

Today: Partly-to Mostly sunny. High 94. S @ 10-15.
Tonight: Fair to P/Cldy. Low 74. S @ 5-10.
Tomorrow: Mo. Sunny. **HEAT ADVISORY from Noon until 9-p.m**High 98. Heat Index 103-108. SW @ 1-25.
Sunday: P/Cldy w/scattered showers & thunderstorms. High 93.
Monday: A chance of morning showers & thunderstorms; Cldy to P/Cldy. High 84.

Thursday’s High in Atlantic was 89. The Low was 59. Last year on this date the High in Atlantic was 84 and the Low was 66. The Record High on this date was 111 in 1918. The Record Low was 42 in 1978.

Manchester hit with flash flooding, tree damage from Wednesday storm

News, Weather

August 4th, 2022 by Ric Hanson

(Radio Iowa) – Many Manchester residents are dealing with storm damage after nearly two inches of rain caused flash flooding and wind gusts of up to 58 miles an hour hit the city at 11 a.m. Wednesday. Delaware County Emergency Management Coordinator Mandy Bieber says the north end of Manchester seemed to be hit hardest. “We sustained tree damage, had some power outages,” she says. “We had one report of a livestock building being flipped over and then two houses damaged by falling trees.” Bieber says utility crews were able to remove tree limbs from power lines and restore electric service quickly.

Manchester City Manager Tim Vick says a street light in downtown Manchester was damaged. “The wind somehow managed to turn that on us,. If you take a look at it, it does not look like the pole is bent or anything, it just needs to be repositioned. That’ll take some work,” he says. “We’re not quite sure how we’re going to do it just yet. We’re analyzing the best way to get that twisted back into place.”

Officials say intense rain fell elsewhere in Delaware County on Wednesday, but Manchester appears to be the only area where the storm caused property damage.

Skyscan Forecast for Atlantic & the Nishna Valley: Thursday, Aug. 4, 2022

Weather

August 4th, 2022 by Ric Hanson

Today: Mostly sunny. High near 90. NE-E @ 10.
Tonight: Fair to P/Cldy. Low 62. Winds light & variable.
Tomorrow: Mo. Sunny. High 94. SW @ 10-15.
Saturday: Mo. Sunny. High 98.
Sunday: P/Cldy w/scattered showers & thunderstorms. High near 92.

Wednesday’s High in Atlantic was 92. The Low was 59. We received .01″ rain Wed. morning at KJAN. Last year on this date the High in Atlantic was 79 and the Low was 53. The Record High on this date was 110 in 1918. The Record Low was 38 in 1978.

Army Corps says long-term drought conditions persist in Missouri River basin

News, Weather

August 4th, 2022 by Ric Hanson

(Radio Iowa) – There’s been a slight uptick in the amount of water flowing into reservoirs in the Missouri River Basin over the past two months, but the Army Corps of Engineers says it’s not enough to reverse long-term drought conditions along the Missouri River corridor. Radio Iowa’s O. Kay Henderson reports.

The Army Corps of Engineers is slightly increasing the water flow out of the Gavins Point Dam in South Dakota. That will help barges and other vessels navigate the Missouri River through Sioux City, Omaha, Nebraska City and Kansas City. However, the Army Corps intends to conserve water releases if there is no commercial navigation in a given area.

The National Drought Mitigation Center estimates that 62 percent of the Missouri River basin is abnormally dry or in a drought.