Iowa Veður Spá
Iowa weather: 17°C, skýjað. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
14-day forecast for Iowa
Hæst / Lægst; Úrkoma; UV
| Dagur | Aðstæður | Hæst / Lægst | Úrkoma | Vindur | UV |
|---|---|---|---|---|---|
| þri., sep 15 | 🌧️ Heavy drizzle | 22° / 17° | 91% · 10 mm | 26 km/h | 3 |
| mið., sep 16 | 🌦️ Light drizzle | 22° / 15° | 30% · 1 mm | 11 km/h | 1 |
| fim., sep 17 | 🌧️ Heavy drizzle | 24° / 19° | 47% · 3 mm | 15 km/h | 6 |
| fös., sep 18 | 🌧️ Skúrir | 32° / 20° | 45% · 12 mm | 24 km/h | 6 |
| lau., sep 19 | 🌧️ Skúrir | 30° / 20° | 65% · 10 mm | 22 km/h | 6 |
| sun., sep 20 | 🌧️ Heavy drizzle | 21° / 18° | 47% · 8 mm | 18 km/h | 1 |
| mán., sep 21 | ☁️ Skýjað | 21° / 15° | 35% | 15 km/h | 3 |
| þri., sep 22 | 🌦️ Light drizzle | 24° / 13° | 19% · 0 mm | 22 km/h | 5 |
| mið., sep 23 | 🌧️ Heavy drizzle | 25° / 14° | 23% · 4 mm | 24 km/h | 5 |
| fim., sep 24 | ☁️ Skýjað | 22° / 10° | 19% | 17 km/h | 5 |
| fös., sep 25 | 🌧️ Heavy drizzle | 30° / 15° | 26% · 6 mm | 23 km/h | 5 |
| lau., sep 26 | 🌦️ Light drizzle | 31° / 21° | 18% · 2 mm | 18 km/h | 5 |
| sun., sep 27 | 🌦️ Light drizzle | 33° / 19° | 23% · 0 mm | 28 km/h | 5 |
| mán., sep 28 | ⛈️ Þrumuveður | 31° / 21° | 16% · 42 mm | 26 km/h | 2 |
The two-week trend
Warming. The second half of the window averages 2°C warmer than the days immediately ahead.
The window averages 25°C against a september normal of 26°C - right on average.
The next 7 days carry about 4.5 times a normal week's rain for september (44 mm against 10 mm).
What this means for Iowa
Today is cooler than average for september. The forecast high of 22°C is 4.4°C below the 26°C typical for this month.
A 91% chance means rain is expected over most of the area. Plan indoor alternatives. Around 10 mm is forecast, which is enough til soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in júní til ágúst.
The gap between the warmest and coldest month averages 31°C.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sun.glasses, a brimmed hat and SPF 30+
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
Sjá spá fyrir Iowa eftir tímabili
Iowa weather - more answers
Explore Iowa
Every topic we hold for this place, and the same topic for the places around it.
Veður for related places
Frequently asked questions
Where is Iowa?
Iowa is a state in Bandaríkin. Its coordinates are 41.5868, -93.625. It lies in Norður-Ameríka.
What is the weather like in Iowa núna?
It is currently 17°C (62°F) með skýjað. Raki is 92% and wind is 6 km/h.
When is the best time til visit Iowa?
ágúst, september and október offer the most comfortable conditions in Iowa, which has a continental climate. janúar, febrúar and desember are usually the hardest months for outdoor plans.
What time zone is Iowa in?
Iowa observes America/Chicago (UTC-05:00). The local time is 10:30 PM.
How many people live in Iowa?
Iowa has a population of approximately 3.2 million.
What is the nearest airport til Iowa?
The closest airports are O'Hare International Airport (ORD), 476 km away.
What are the top things til do in Iowa?
Popular options include Mississippi River and Starved Rock State Park.
What places are in Iowa?
Iowa covers 1 places in this atlas, including Des Moines.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-states) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 15, 2026 at 10:30 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.





