Current conditions at
Oelwein Municipal Airport (KOLZ)
Lat: 42.68°NLon: 91.98°WElev: 1070ft.
Overcast
14°F
-10°C
| Humidity | 85% |
| Wind Speed | SE 13 mph |
| Barometer | 30.03 in |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 0°F (-18°C) |
| Last update | 24 Feb 2:15 am CST |
Extended Forecast for
Sumner IA
Overnight

Low: 8 °F
Mostly Cloudy
and BreezyTuesday

High: 34 °F
Mostly Cloudy
and BreezyTuesday Night

Low: 14 °F
Gradual
Clearing and
BlusteryWednesday

High: 25 °F
Mostly Sunny
Wednesday Night

Low: 16 °F
Chance Snow
Thursday

High: 35 °F
Mostly Sunny
Thursday Night

Low: 24 °F
Mostly Clear
Friday

High: 48 °F
Sunny
Friday Night

Low: 21 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 8. Wind chill values as low as -5. Breezy, with a south wind 14 to 17 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 34. Wind chill values as low as zero. Breezy, with a south wind 13 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 14. Wind chill values as low as zero. Blustery, with a northwest wind 13 to 16 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 25. Wind chill values as low as zero. Northwest wind 6 to 10 mph becoming south southeast in the afternoon.
Wednesday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 16. East wind around 6 mph. New snow accumulation of 1 to 2 inches possible.
Thursday
Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 24.
Friday
Sunny, with a high near 48.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30. Blustery.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
A 40 percent chance of snow. Partly sunny, with a high near 24.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 29.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sumner IA
42.85°N 92.1°W
42.85°N 92.1°W
10:51 pm CST Feb 23, 2026
2am CST Feb 24, 2026-6pm CST Mar 2, 2026


