Sweet Marsh State Wildlife Management Area Weather Forecast
- 67
- 87
Rain Showers Likely
- 57
- 79
Patchy Smoke
- 56
- 75
Mostly Sunny
- 60
- 78
Mostly Cloudy
- 62
- 79
Partly Sunny
- 66
- 84
Partly Sunny
Today 20 Jul Bremer
Showers with a chance of Thunderstorms this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may be severe this afternoon. Highs in the upper 80s. Southwest Winds 10 to 15 Mph. Chance of rain near 100 percent. Heat index Values up to 100 this afternoon.
Tonight 20 Jul Bremer
Partly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy smoke in the Evening, then Areas of smoke after midnight. Some Thunderstorms may be severe. Humid with Lows in the upper 60s. West Winds 10 to 15 Mph. Chance of rain 50 percent.
Sweet Marsh State Wildlife Management Area Temperature Statistics
July Temperature
Oelwein Municipal Airport (16.2 miles)
Lowest 6 July, 2026
64.4 °FAverage July
74.7 °FHighest 1 July, 2026
87.8 °F
Climate (2021–2026)
Oelwein Municipal Airport (16.2 miles)
Average Low 2021–2026
38.7 °FAverage 2021–2026
48.5 °FAverage High 2021–2026
58.2 °F