Imlay Weather Forecast
- 19
- 62
Chance Rain/Snow
- 23
- 35
Windy
- 28
- 62
Breezy
- 24
- 42
Partly Sunny
- 29
- 45
Mostly Cloudy
- 30
- 58
Mostly Cloudy
Today 17 Dec Pennington Co Plains
Partly cloudy in the Morning, then mostly cloudy with a chance of rain in the afternoon. Very windy with Highs in the lower 60s. South Winds 25 to 35 Mph with Gusts up to 45 Mph, increasing to southwest 30 to 45 Mph with Gusts up to 55 Mph in the afternoon. Chance of rain 50 percent.
Tonight 17 Dec Pennington Co Plains
Partly cloudy with a chance of rain and snow in the Evening, then mostly clear after midnight. Strong Winds with Lows 15 to 20. Northwest Winds 35 to 50 Mph. Gusts up to 55 Mph, increasing to 70 Mph after midnight. Chance of precipitation 40 percent.
Imlay Temperature Statistics
December Temperature
Rapid City, Rapid City Regional Airport (39.8 miles)
Lowest 1 December, 2025
1.9 °FAverage December
28.7 °FHighest 9 December, 2025
62.1 °F
Climate (2020–Present)
Rapid City, Rapid City Regional Airport (39.8 miles)
Average Low 2020–2025
35.5 °FAverage 2020–2025
48.9 °FAverage High 2020–2025
62.3 °F