What is today's weather forecast for South Ottumwa, IA?

Today's forecast for South Ottumwa shows a low of 21 degrees Fahrenheit. Cloudy, with a low around 21.

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

The 7-day forecast for South Ottumwa shows highs from 5 to 46 degrees and lows from -10 to 31 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in South Ottumwa, IA this week?

Yes, rain is possible in South Ottumwa this week. Precipitation chances: Friday (20% chance), Saturday (90% chance).

How accurate is the South Ottumwa weather forecast?

WeatherForYou provides highly accurate South Ottumwa 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.

South Ottumwa, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

24°F
Feels Like 22°F

Humidity 88% Dew Point 21°F Wind NNW 2 MPH Gusts 8 Barometer 30 in.

Report from a MADIS/MESONET weather station 0.2 mi. NNE of central South Ottumwa
at 1:30 AM Fri, Dec 12, 2025

Point Forecast at a Glance

ThuDec 11

FriDec 12

SatDec 13

90%

-10

SunDec 14

-5

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 28°F to a low of 5°F mid-week, then warm to 46°F. Some snow possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 37°F with lows around 19°F.

This Date in Weather History

1932 - Very cold weather prevailed along the West Coast. San Francisco received 0.8 inch of snow, and at the airport the temperature dipped to 20 degrees. At Sacramento CA, the mercury dipped to 17 degrees to establish an all-time record low for that location. Morning lows were below freezing from the 9th to the 15th at Sacramento, and the high on the 11th was just 34 degrees. The cold wave dealt severe damage to truck crops and orange groves in the Sacramento Valley.

South Ottumwa, IA 7 Day Weather Forecast Details

Thursday Dec 11

Night: Cloudy, with a low around 21. Northeast wind around 7 mph.

Friday Dec 12

Day: Mostly cloudy, with a high near 28. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 8. Wind chill values as low as zero. Northwest wind 7 to 10 mph.

Saturday Dec 13

Day: Snow. The snow could be heavy at times. Steady temperature around 8. Wind chill values as low as -5. North wind 6 to 9 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Night: Mostly clear, with a low around -10. Northwest wind around 8 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 5.

Night: Mostly clear, with a low around -5.

Monday Dec 15

Day: Mostly sunny, with a high near 33.

Night: Partly cloudy, with a low around 20.

Tuesday Dec 16

Day: Mostly sunny, with a high near 41.

Night: Mostly cloudy, with a low around 31.

Wednesday Dec 17

Day: Partly sunny, with a high near 46.

Night: Mostly cloudy, with a low around 31.

Thursday Dec 18

Day: Mostly sunny, with a high near 42.

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.

Your favorites: