What is today's weather forecast for Sigourney, IA?

Today's forecast for Sigourney shows a high of 34 degrees and a low of 17 degrees Fahrenheit. Mostly sunny, with a high near 34.

What is the 7-day weather forecast for Sigourney, IA?

The 7-day forecast for Sigourney shows highs from 34 to 43 degrees and lows from 8 to 34 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Sigourney, IA this week?

Yes, rain is possible in Sigourney this week. Precipitation chances: Wednesday (40% chance), Thursday (30% chance).

How accurate is the Sigourney weather forecast?

WeatherForYou provides highly accurate Sigourney forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Sigourney, IA Weather Forecast and Current Conditions

Current Conditions

Switch to Metric Units

37°F
Feels Like 35°F

Humidity 61% Dew Point 25°F Wind SSW 3 MPH Gusts 10 Barometer 30 in.

Solar Rad 239 w/m²

Report from a MADIS/MESONET weather station 24.2 mi. SSW of central Sigourney
at 2:45 PM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

30%

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 34°F to 43°F. Some rain possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 2°F above the historical average for December. Normal highs for this period are around 36°F with lows around 18°F.

This Date in Weather History

1901 - An intense cold front swept across the eastern U.S. The cold front produced heavy rain in Louisiana, and heavy snow in the northeastern U.S.

Sigourney, IA 7 Day Weather Forecast Details

Monday Dec 15

Day: Mostly sunny, with a high near 34. Southwest wind 5 to 10 mph.

Night: Patchy freezing fog after 11pm. Mostly cloudy, with a low around 17. Southwest wind around 5 mph becoming calm in the evening.

Tuesday Dec 16

Day: Patchy freezing fog before 10am. Mostly sunny, with a high near 37. Southwest wind 5 to 10 mph.

Night: Mostly cloudy, with a low around 24. West wind 5 to 10 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 39.

Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 34.

Thursday Dec 18

Day: A 30 percent chance of rain before noon. Mostly sunny, with a high near 42. Breezy.

Night: Partly cloudy, with a low around 8. Blustery.

Friday Dec 19

Day: Mostly sunny, with a high near 34.

Night: Mostly cloudy, with a low around 25.

Saturday Dec 20

Day: Partly sunny, with a high near 43.

Night: Partly cloudy, with a low around 19.

Sunday Dec 21

Day: Mostly sunny, with a high near 35.

About Sigourney, IA

Sigourney ( SIG-ər-nee) is a city and the county seat of Keokuk County, Iowa, United States. The population was 2,004 at the time of the 2020 census. Keokuk County Courthouse is located in the Public Square Historic District. Both are on the National Register of Historic Places.

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.

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