Grand River Weather Forecast
- 50
- 67
Mostly Sunny
- 55
- 74
Rain Showers
- 51
- 75
Chance Thunderstorms
- 49
- 76
Chance Thunderstorms
- 46
- 70
Chance Thunderstorms
- 45
- 66
Chance Rain Showers
Today 5 May Decatur
Partly cloudy. Highs in the upper 60s. Northwest Winds around 5 Mph, becoming east this afternoon.
Tonight 5 May Decatur
Partly cloudy. Lows around 50. Southeast Winds 5 to 10 Mph.
Grand River Temperature Statistics
May Temperature
Lamoni, Lamoni Municipal Airport (13 miles)
Lowest 1 May, 2024
50 °FAverage May
59 °FHighest 1 May, 2024
66.9 °F
Climate (2019–Present)
Lamoni, Lamoni Municipal Airport (13 miles)
Average Low 2019–2024
43.2 °FAverage 2019–2024
52.5 °FAverage High 2019–2024
62.3 °F