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Flat Lake Weather Warning NWS WEATHER ALERT FOR THE FLAT LAKE, SD AREA - Issued: 1237 PM CST Mon Nov 2 2026 Flat Lake Weather Warning

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Flat Lake, SD Weather - Hour by Hour Forecast

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Flat Lake, SD Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Precipitation. Temperature is 55°F13°C, dew point 55°F13°C, humidity 100%. Wind direction is N at 16 mph26 km/h with visibility of 8 mi13 km. Barometric pressure is 29.56 in1001 mb.
Tonight - Rain, breezy, colder with lows in the mid 40s. Northwest winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90%... Full Forecast
Tuesday - Rain, breezy and much colder. Near steady temperature in the mid 40s. North winds 20 to 25 mph with gusts up to 40 mph. Chance of .. Full Forecast

Flat Lake Hourly Weather

24 Hour Forecast Scroll
Mon, Nov 02
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Flat Lake, SD Hourly Weather - Cloudy - 5:00 PM Flat Lake, SD Hourly Weather - Cloudy - 6:00 PM Flat Lake, SD Hourly Weather - Cloudy - 7:00 PM Flat Lake, SD Hourly Weather - Cloudy - 8:00 PM Flat Lake, SD Hourly Weather - Cloudy - 9:00 PM Flat Lake, SD Hourly Weather - Cloudy - 10:00 PM Flat Lake, SD Hourly Weather - Cloudy - 11:00 PM Flat Lake, SD Hourly Weather - Cloudy - 12:00 AM Flat Lake, SD Hourly Weather - Cloudy - 1:00 AM Flat Lake, SD Hourly Weather - Cloudy - 2:00 AM Flat Lake, SD Hourly Weather - Cloudy - 3:00 AM Flat Lake, SD Hourly Weather - Cloudy - 4:00 AM Flat Lake, SD Hourly Weather - Cloudy - 5:00 AM Flat Lake, SD Hourly Weather - Cloudy - 6:00 AM Flat Lake, SD Hourly Weather - Cloudy - 7:00 AM Flat Lake, SD Hourly Weather - Cloudy - 8:00 AM Flat Lake, SD Hourly Weather - Cloudy - 9:00 AM Flat Lake, SD Hourly Weather - Cloudy - 10:00 AM Flat Lake, SD Hourly Weather - Cloudy - 11:00 AM Flat Lake, SD Hourly Weather - Cloudy - 12:00 PM Flat Lake, SD Hourly Weather - Cloudy - 1:00 PM Flat Lake, SD Hourly Weather - Cloudy - 2:00 PM Flat Lake, SD Hourly Weather - Cloudy - 3:00 PM Flat Lake, SD Hourly Weather - Cloudy - 4:00 PM
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy
59°F15°C 58°F14°C 57°F14°C 57°F14°C 56°F13°C 55°F13°C 53°F12°C 52°F11°C 51°F11°C 50°F10°C 49°F9°C 48°F9°C 48°F9°C 47°F8°C 47°F8°C 47°F8°C 47°F8°C 48°F9°C 48°F9°C 49°F9°C 49°F9°C 50°F10°C 50°F10°C 49°F9°C
Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain Rain - - - -
90% 90% 64% 64% 64% 64% 64% 64% 43% 43% 43% 43% 43% 43% 38% 38% 38% 38% 38% 38% 16% 16% 16% 16%
55°F13°C 55°F13°C 54°F12°C 54°F12°C 53°F12°C 52°F11°C 50°F10°C 49°F9°C 48°F9°C 47°F8°C 46°F8°C 45°F7°C 45°F7°C 44°F7°C 44°F7°C 45°F7°C 45°F7°C 45°F7°C 45°F7°C 45°F7°C 45°F7°C 44°F7°C 44°F7°C 43°F6°C
87% 90% 90% 90% 90% 90% 90% 89% 89% 89% 89% 89% 89% 89% 89% 93% 93% 89% 89% 86% 86% 80% 80% 80%
NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW NNW
14 mph 14 mph 14 mph 19 mph 19 mph 19 mph 25 mph 25 mph 25 mph 23 mph 23 mph 23 mph 22 mph 22 mph 22 mph 20 mph 20 mph 20 mph 18 mph 18 mph 18 mph 21 mph 21 mph 21 mph
.75 mi1 km .75 mi1 km .75 mi1 km .5 mi1 km .5 mi1 km .5 mi1 km .75 mi1 km .75 mi1 km .75 mi1 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 5 mi8 km 3 mi5 km 3 mi5 km 3 mi5 km 5 mi8 km 5 mi8 km 6 mi10 km 6 mi10 km 10 mi16 km 10 mi16 km
Hour (CST)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from K8D3 model statistics.

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Prob Precip % = Probability of Precipitation.

Flat Lake 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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