![]() Visit The Weather Channel for more information on Iowa weather. By moving to basements or protected areas of buildings away from windows, people are generally able to avoid injury if a tornado develops. The Weather Service then sounds sirens and issues warnings on radio and TV so people can seek shelter. Part of the reason for this is that the Weather Service is able to predict when tornadoes are most likely to occur. Tornadoes may develop in the spring, but most Iowans have never seen one. In the summer, sandals, shorts and t-shirts are the norm.Īnother dramatic form of weather that Iowans occasionally experience is tornadoes. Remember this as you choose what clothes to bring! In the winter, warm hats, scarves, mittens and boots are essential and people “layer” their clothes for maximum insulation. Temperatures range from -26C to 37C. As the chart below from the National Weather Service shows, temperatures are hot in July and August cold in January and February. The climate in Iowa changes dramatically during different times of the year. It is the variability and occasional severity of the weather that makes it such a popular topic of conversation. Lifeguards can give you advice on waves if you’re planning to go into the water.You will probably notice that Iowans love to talk about the weather! Though it can rain at any time of the year, the rainiest months are in the spring. If the arrow is parallel to or pointing away from land, the wave height is likely to be lower on the beach than it is offshore. If the arrow points towards land, most of the waves’ power will reach the beach. It indicates how sheltered the beach will be from these waves. The arrow shows the average direction of the waves 1-2 miles out to sea. Lifeguards can give you advice on waves if you’re planning to go into the water. A long wave period (more than 10 seconds) means the waves at the beach may be more powerful. This is the average number of seconds between one wave and the next, 1-2 miles out to sea. Read more about calculating the expected height of the waves at the beach. If you are close to the water, keep an eye on the waves to stop you or your belongings being swept away. The individual waves out to sea or at the beach can be higher than this number. This is the average height of the waves, 1-2 miles out to sea. 11 Extreme - Avoid being outside during midday hours. 8-10 Very high - Spend time in the shade between 11am and 3pm. 6-7 High - Seek shade during midday hours, cover up and wear sunscreen. 3-5 Moderate - Take care during midday hours and do not spend too much time in the sun unprotected. No risk of UV - It’s safe to stay outside. UV exposure index and the protection required to help keep you safe: The higher the percentage of humidity, the wetter it will feel outside. ![]() If there is a lot of water vapour, the humidity will be high. Humidity is the amount of water vapor in the air. Visibility measures the distance at which an object can be clearly seen. Read more about how wind will affect you at the beach. The number is the average wind speed.īeware of offshore winds if you are using inflatables, paddle boards or kayaks. If the arrow points from land to sea, the wind will be blowing out to sea (‘offshore’). The arrow shows the direction of the wind (up is north). The number represents the average wind speed expected at that time. The letters show the direction the wind is blowing from (on a standard 16-point compass). The arrow shows the direction the wind is blowing. Strong winds are shown in bold for speeds of 29 mph or more. Wind gust shows the highest wind speed that you should encounter at that time, as winds peak and lull. Tomorrow: +15.+22 CF, +59.+72 CF, light rain, gentle breeze. This gives you a better idea of how the temperature will actually feel at the time. Today in Des Moines we expect +24.+16 CF, +75.+61 CF, light rain, gentle breeze. You can see the temperature in Celsius or Fahrenheit by using the dropdown menu.įeels like temperature considers other factors, such as wind speed and humidity. This number shows the air temperature for the time period. Chance of precipitation represents how likely it is that rain (or other types of precipitation, such as sleet, snow, hail and drizzle) will fall from the sky at a certain time.
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