Brown County State Lake Weather Forecast
- 41
- 74
Chance Thunderstorms
- 39
- 62
Partly Sunny
- 42
- 64
Partly Sunny
- 41
- 67
Slight Chance Thunderstorms
- 40
- 67
Partly Sunny
- 45
- 71
Mostly Sunny
Today 27 Apr Brown
Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. South Winds 10 to 15 Mph, becoming west 15 to 20 Mph in the afternoon. Chance of rain 50 percent.
Tonight 27 Apr Brown
Partly cloudy. Much cooler with Lows in the lower 40s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 5 to 10 Mph with Gusts up to 20 Mph after midnight.
Brown County State Lake Temperature Statistics
April Temperature
Falls City, Brenner Field Airport (19.3 miles)
Lowest 19 April, 2026
33.1 °FAverage April
58.6 °FHighest 13 April, 2026
88.6 °F
Climate (2021–Present)
Falls City, Brenner Field Airport (19.3 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
55.4 °FAverage High 2021–2026
66.8 °F