Monday:  A chance of showers and thunderstorms early. Cloudy, then gradually becoming mostly sunny with a high near 71. North northeast wind 5 to 10 mph.

Monday Night:  Mostly clear, with a low around 47. North wind at 5 mph.

Tuesday:  Sunny with a high near 74. Calm wind becoming west northwest around 5 mph in the afternoon.

Wednesday:  Sunny with a high near 75.

Thursday:  Sunny with a high near 76.

Friday:  Mostly sunny with a high near 75.

Today: A slight chance of showers and thunderstorms. Mostly cloudy with a high near 76. Northeast wind at 5 mph.

Tonight: Showers and possibly a thunderstorm. Low around 56. North northeast wind to mph.

Monday: A chance of showers and thunderstorms. Cloudy then gradually becoming mostly sunny with a high near 72. North northeast wind 5 to 10 mph.

Tuesday: Sunny with a high near 73. Northwest wind 5 to 10 mph.

Wednesday: Sunny with a high near 73.

Today: Increasing clouds, with a high near 84. South wind at 5 mph.

Tonight: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 59. South wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.

Sunday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 77. North northeast wind 5 to 10 mph.

Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 72. North northeast wind 5 to 10 mph.

Tuesday: Sunny, with a high near 71.

Friday:  Isolated showers before 8:00 am.  Partly sunny, then gradually becoming sunny, with a high near 82.  East northeast wind at 5 mph.
Friday Night:  Clear, with a low around 55.  East wind around 5 mph.
Saturday:  Sunny, with a high near 83.  South wind at 5 mph.
Sunday:  A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 78.
Monday:  A chance of showers and thunderstorms.  Mostly cloudy, with a high near 71.

Today: Widespread haze before 8am. Sunny, with a high near 78. Calm wind becoming northeast 5 to 10 mph in the morning.

Tonight: A chance of showers and thunderstorms between 3:00 am and 4:00 am, then a slight chance of showers. Increasing clouds, with a low around 57. East wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday: Partly sunny, then gradually becoming sunny, with a high near 83. Northeast wind around 5 mph.

Saturday: Mostly sunny, with a high near 83. South wind 5 to 10 mph.

Sunday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.

Today:  Widespread haze after 7am. Mostly cloudy, then gradually becoming sunny, with a high near 78. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph.
Tonight:  Widespread haze. Mostly clear, with a low around 49. North northwest wind 5 to 10 mph.
Thursday:  Sunny, with a high near 80. North northeast wind around 5 mph.
Friday:  Sunny, with a high near 83. East wind around 5 mph.
Saturday:  Sunny, with a high near 85.
Sunday:  A 40 percent chance of showers. Partly sunny, with a high near 79.

Today: A 20 percent chance of showers and thunderstorms before 9am. Sunny, with a high near 92. Breezy, with a south wind 15 to 20 mph becoming west southwest in the afternoon. Winds could gust as high as 30 mph.

Tonight: Increasing clouds, with a low around 59. Breezy, with a west northwest wind 14 to 18 mph, with gusts as high as 29 mph.

Wednesday: Mostly sunny, with a high near 79. Breezy, with a northwest wind around 16 mph, with gusts as high as 25 mph.

Thursday: Sunny, with a high near 81.

Friday: Sunny, with a high near 83.

Monday’s High in Atlantic was 95, and the low was 56. This day last year the high was 83 and the low 56. The record high for Sept. 5th in Atlantic was 104 set in 1913 and the record low was 34 degrees set in 1962. Sunrise is at 6:50 am and sunset is at 7:47 pm.

(Radio Iowa) – State Climatologist Justin Glisan says a tornado outbreak is unlikely this month because Iowa is in a severe weather drought. “When you don’t have thunderstorms to drive rainfall, you don’t get a lot of severe weather and you get into pervasive drought,” Glisan says. So far this year in Iowa there have been 63 confirmed tornadoes.

“Four percent of the tornadoes that we see across the state of Iowa occur in September, so not a particularly high number,” Glisan says, “but recently back in 2018 we had 12 September tornadoes and then in 2019 we had nine and that’s an interesting thing to look at because 2018 was the second wettest year on record, 2019 the 10th wettest on record, so we had a very active storm track through fall.”

The mid-Atlantic and southern states are getting a lot of rain right now during hurricane season, but Glisan says those storm systems rarely bring beneficial rainfall to Iowa. “We did have a June tropical system back in 2019 that made it into eastern Iowa,” Glisan says, “and that had been the first time since 1900 that we had seen a tropical system actually make it into Iowa.” Glisan says what he calls the “moisture gate” from the Gulf of Mexico is blocked off right now, preventing the development of thunderstorms. Glisan warns, though, that tornadoes occurred in every month of the year.

“Think back to the December 15th outbreak in 2021 — 63 tornadoes across the state, the highest tornado count for any month in the state of Iowa,” Glisan says, “but also the highest tornado outbreak for a December outbreak in United States history.”

Today (Labor Day): Sunny & breezy. High near 93. South wind at 5-15 mph w/gusts to around 25

Tonight: Partly cloudy w/a slight chance of showers and thunderstorms after midnight. Low around 73. S @ 15-30 mph.

Tuesday: Mostly sunny w/a slight chance of showers and thunderstorms. High near 93. S/SW winds @ 15-25 mph

Wednesday: Sunny & breezy, with a high near 80.

Thursday: Sunny, with a high near 82.

(Radio Iowa) – April showers may bring May flowers but September is only bringing the heat. Forecasters say most of Iowa will have high temperatures in the 80s this (Friday) afternoon, but the rest of the Labor Day weekend will be unseasonably steamy. Meteorologist Brad Small, at the National Weather Service, says this hot spell will run Saturday through at least Tuesday. “Much of central Iowa, and much of the state for that matter, will be well into the 90s for highs all those days,” Small says, “and we may even touch 100 in spots on Sunday, not widespread but it wouldn’t be a surprise to see a few.”

There is a silver lining to this cloud, Small says, even though there are no rain clouds likely to be spotted for a while. “The humidity won’t be as oppressive as the previous heat episode, and there will be a little bit more in the way of wind with a south-to-southeast breeze in the afternoon,” Small says. “So those two things will make it feel a little bit better, but still, highs in the 90s is something we really need to be cognizant of and take some heat safety precautions.”

The prolonged heat wave last week saw upper 90s and low 100s for five straight days, including a host of new high temperature records, with Sioux City reporting a record heat index of 122.