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

Today's forecast for Calmar shows a low of 14 degrees Fahrenheit. Patchy fog before 1am, then areas of fog after 4am.

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

The 7-day forecast for Calmar shows highs from 24 to 36 degrees and lows from -1 to 31 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Calmar, IA this week?

Yes, rain is possible in Calmar this week. Precipitation chances: Wednesday (60% chance), Thursday (40% chance).

How accurate is the Calmar weather forecast?

WeatherForYou provides highly accurate Calmar 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.

Calmar, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

25°F
Feels Like 25°F

Humidity 49% Dew Point 9°F Wind Calm Barometer N/A

Solar Rad 214 w/m²

Report from a MADIS/MESONET weather station 9.3 mi. ENE of central Calmar
at 2:40 PM Mon, Dec 15, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

40%

-1

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 36°F to 24°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 31°F and lows around 14°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Calmar, IA 7 Day Weather Forecast Details

Monday Dec 15

Night: Patchy fog before 1am, then areas of fog after 4am. Areas of freezing fog between 1am and 4am. Otherwise, increasing clouds, with a low around 14. Calm wind becoming south 5 to 8 mph after midnight.

Tuesday Dec 16

Day: Patchy fog before 10am. Otherwise, partly sunny, with a high near 36. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

Night: Partly cloudy, with a low around 21. Southwest wind 7 to 13 mph becoming northwest after midnight. Winds could gust as high as 21 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 35. Northwest wind 6 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

Night: Rain likely after midnight. Cloudy, with a low around 31. Breezy, with a south wind 16 to 20 mph becoming southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday Dec 18

Day: A chance of rain and snow before noon, then a slight chance of snow. Mostly cloudy, with a high near 35. Breezy, with a west wind 16 to 23 mph, with gusts as high as 32 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Night: Mostly cloudy, with a low around -1. Blustery, with a northwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

Friday Dec 19

Day: Partly sunny, with a high near 26. Northwest wind 6 to 14 mph becoming south in the afternoon. Winds could gust as high as 22 mph.

Night: Mostly cloudy, with a low around 15. South wind 10 to 14 mph, with gusts as high as 22 mph.

Saturday Dec 20

Day: Partly sunny, with a high near 33. South wind around 10 mph becoming northwest in the afternoon.

Night: Partly cloudy, with a low around 10. Northwest wind 6 to 8 mph.

Sunday Dec 21

Day: Mostly sunny, with a high near 24. Northwest wind around 7 mph becoming south in the afternoon.

Night: Mostly cloudy, with a low around 18. South wind 6 to 8 mph.

Monday Dec 22

Day: Mostly cloudy, with a high near 30. Southeast wind around 9 mph.

About Calmar, IA

Calmar is a city in Winneshiek County, Iowa, United States. The population was 1,125 at the 2020 census. It is at the junction of U.S. Route 52 and State highways 150 and 24, with both state routes terminating in Calmar.

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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