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

Today's forecast for Diagonal shows a high of 15 degrees and a low of -2 degrees Fahrenheit. Snow likely, mainly before 1pm.

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

The 7-day forecast for Diagonal shows highs from 15 to 51 degrees and lows from -2 to 31 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Diagonal, IA this week?

Yes, rain is possible in Diagonal this week. Precipitation chances: Saturday (60% chance).

How accurate is the Diagonal weather forecast?

WeatherForYou provides highly accurate Diagonal 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.

Diagonal, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

12°F
Feels Like 4°F

Humidity 84% Dew Point 8°F Wind NE 5 MPH Gusts 10 Barometer 30.37 in.

Solar Rad 33 w/m²

Report from a MADIS/MESONET weather station 14.8 mi. SSW of central Diagonal
at 9:30 AM Sat, Dec 13, 2025

Point Forecast at a Glance

SatDec 13

60%

-2

SunDec 14

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

FriDec 19

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 15°F to a high of 51°F by week's end. Mostly dry conditions with only one day showing snow chances.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 37°F and lows around 18°F.

This Date in Weather History

1988 - Low pressure off the Atlantic coast produced up to a foot of snow in eastern Nassau County and western Suffolk County of southeastern New York State. Mild weather prevailed across the western half of the country. Nine cities reported record high temperatures for the date, including Goodland KS with a reading of 74 degrees.

Diagonal, IA 7 Day Weather Forecast Details

Saturday Dec 13

Day: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 15. Wind chill values as low as -5. North wind around 10 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.

Night: Mostly clear, with a low around -2. Wind chill values as low as -15. North northwest wind 7 to 9 mph.

Sunday Dec 14

Day: Sunny, with a high near 17. Wind chill values as low as -15. Calm wind becoming south 5 to 7 mph in the afternoon.

Night: Mostly clear, with a temperature falling to near 11 by 9pm, then rising to around 17 during the remainder of the night. Wind chill values as low as -5. South wind 7 to 15 mph, with gusts as high as 25 mph.

Monday Dec 15

Day: Sunny, with a high near 41. Southwest wind 6 to 15 mph, with gusts as high as 25 mph.

Night: Partly cloudy, with a low around 23.

Tuesday Dec 16

Day: Mostly sunny, with a high near 47.

Night: Partly cloudy, with a low around 29.

Wednesday Dec 17

Day: Mostly sunny, with a high near 51.

Night: Mostly cloudy, with a low around 31.

Thursday Dec 18

Day: Sunny, with a high near 43.

Night: Partly cloudy, with a low around 21.

Friday Dec 19

Day: Partly sunny, with a high near 45.

About Diagonal, IA

Diagonal is a city in northwest Ringgold County, Iowa, the United States. The population was 344 at the time of the 2020 census. The community was named for the fact that two railroads intersected diagonally near the town site.

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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