Swan, IA Weather Forecast and Current Conditions

WEATHER ALERTS - Wind Advisory

Current Conditions From Nearby Station

Clear 39°F
Feels Like 32°F  
Humidity 72% Dew Point 31°F Wind SE 10 MPH Gusts 15 Barometer N/A
Solar Rad 2 w/m2
Report from a MADIS/MESONET weather station 7.5 mi. NNE of central Swan
at

Point Forecast at a Glance

WedDec 17
Wed Dec 17: Rain, Low 46F
100%
 
46
ThuDec 18
Thu Dec 18: Rain And Snow, High 22F, Low 13F
50%
22
13
FriDec 19
Fri Dec 19: Sunny, High 36F, Low 29F
36
29
SatDec 20
Sat Dec 20: Partly Sunny, High 41F, Low 20F
41
20
SunDec 21
Sun Dec 21: Mostly Sunny, High 39F, Low 28F
39
28
MonDec 22
Mon Dec 22: Partly Sunny, High 46F, Low 34F
46
34
TueDec 23
Tue Dec 23: Partly Sunny, High 48F, Low 28F
48
28

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Warming trend through the week with high temperatures climbing from 36°F to 48°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 7°F above the historical average for December. Normal highs for this period are around 35°F with lows around 18°F.


This Date in Weather History

1884 - A three week blockade of snow began at Portland, OR. A record December total of 34 inches was received.

More on this and other weather history


Swan, IA 7 Day Weather Forecast Details

Wednesday Dec 17

Rain

Night: Rain, mainly after 2am. Temperature rising to around 46 by 3am. Southeast wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Rain And Snow

Day: A chance of rain and snow before 4pm, then a slight chance of snow between 4pm and 5pm. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 22 by 5pm. Wind chill values as low as 5. Windy, with a west wind 15 to 20 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

Mostly Clear

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 13. Wind chill values as low as zero. Windy, with a northwest wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 38 mph.

Friday Dec 19

Sunny

Day: Sunny, with a high near 36. Wind chill values as low as 5. West northwest wind 5 to 14 mph becoming south southeast in the afternoon. Winds could gust as high as 22 mph.

Mostly Cloudy

Night: Mostly cloudy, with a low around 29. South southwest wind 10 to 13 mph, with gusts as high as 22 mph.

Saturday Dec 20

Partly Sunny

Day: Partly sunny, with a high near 41.

Mostly Clear

Night: Mostly clear, with a low around 20.

Sunday Dec 21

Mostly Sunny

Day: Mostly sunny, with a high near 39.

Mostly Cloudy

Night: Mostly cloudy, with a low around 28.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 46.

Mostly Cloudy

Night: Mostly cloudy, with a low around 34.

Tuesday Dec 23

Partly Sunny

Day: Partly sunny, with a high near 48.

Mostly Cloudy

Night: Mostly cloudy, with a low around 28.

Wednesday Dec 24

Partly Sunny

Day: Partly sunny, with a high near 44.


About Swan, IA

Swan is a city in Marion County, Iowa, United States. The population was 76 at the time of the 2020 census. On April 18th 2025 the city council of Swan voted to disincorporate the city.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.