Missouri River at Fort Randall Dam
8.5 mi- Level
- 1344 ft
Reading from Sat 12 PM · NWS gauge page
Appearance
Observed 12:15 PM CDT at KONL
Windy and 48°9°, rain ~4–6 PM (72%).
Today: low 41°5° (likely 41°5° to 49°9°), high 59°15° (likely 59°15° to 69°21°).
Now 48°9°
Windy · Feels like 40°5°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 12p | Cloudy | 54°12° (likely 50°10° to 54°12°) | 54°12° | 40%, 0.04 in1 mm | 20 mph32 km/h from NNW, gusts 29 mph46 km/h | 55% | 98% | 2 |
| Sat 1p | Cloudy | 54°12° (likely 49°9° to 54°12°) | 54°12° | 30%, 0.01 in0.3 mm | 20 mph32 km/h from NNW, gusts 26 mph42 km/h | 52% | 98% | 2 |
| Sat 2p | Cloudy | 54°12° (likely 48°9° to 54°12°) | 54°12° | 40%, 0.01 in0.3 mm | 15 mph24 km/h from NNW, gusts 24 mph39 km/h | 55% | 98% | 1 |
| Sat 3p | Cloudy | 54°12° (likely 47°8° to 54°12°) | 54°12° | 30%, 0.01 in0.3 mm | 15 mph24 km/h from N, gusts 19 mph30 km/h | 55% | 99% | 1 |
| Sat 4p | Cloudy | 52°11° (likely 46°8° to 54°12°) | 52°11° | 60%, 0.01 in0.3 mm | 15 mph24 km/h from N, gusts 18 mph29 km/h | 56% | 100% | 0 |
| Sat 5p | Showers | 52°11° (likely 47°8° to 53°12°) | 52°11° | 70%, 0.01 in0.3 mm | 10 mph16 km/h from N, gusts 15 mph24 km/h | 56% | 100% | 1 |
| Sat 6p | Showers | 52°11° (likely 47°8° to 52°11°) | 52°11° | 70%, 0.01 in0.3 mm | 10 mph16 km/h from N, gusts 12 mph19 km/h | 59% | 100% | 0 |
| Sat 7p | Cloudy | 51°11° (likely 47°8° to 51°11°) | 51°11° | 40%, 0.05 in1.3 mm | 5 mph8 km/h from NNE, gusts 10 mph16 km/h | 61% | 100% | 0 |
| Sat 8p | Cloudy | 49°9° (likely 47°8° to 51°11°) | 47°8° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 8 mph13 km/h | 68% | 94% | 0 |
| Sat 9p | Drizzle | 47°8° (likely 47°8° to 51°11°) | 45°7° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 7 mph11 km/h | 74% | 100% | 0 |
| Sat 10p | Drizzle | 47°8° (likely 47°8° to 50°10°) | 45°7° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 5 mph8 km/h | 74% | 100% | 0 |
| Sat 11p | Showers | 46°8° (likely 46°8° to 49°9°) | 44°7° | 30%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 5 mph8 km/h | 79% | 100% | 0 |
| Sun 12a | Drizzle | 46°8° (likely 46°8° to 48°9°) | 44°7° | 40%, 0.05 in1.3 mm | 5 mph8 km/h from NNE, gusts 7 mph11 km/h | 76% | 100% | 0 |
| Sun 1a | Cloudy | 46°8° (likely 46°8° to 48°9°) | 44°7° | 50%, 0.13 in3.3 mm | 5 mph8 km/h from N, gusts 7 mph11 km/h | 76% | 100% | 0 |
| Sun 2a | Cloudy | 45°7° (likely 45°7° to 47°8°) | 42°6° | 70%, 0.13 in3.3 mm | 5 mph8 km/h from N, gusts 8 mph12 km/h | 82% | 100% | 0 |
| Sun 3a | Cloudy | 45°7° (likely 45°7° to 47°8°) | 42°6° | 80%, 0.13 in3.3 mm | 5 mph8 km/h from NNE, gusts 8 mph12 km/h | 82% | 100% | 0 |
| Sun 4a | Cloudy | 44°7° (likely 44°7° to 47°8°) | 40°4° | 80%, 0.13 in3.3 mm | 5 mph8 km/h from NE, gusts 9 mph14 km/h | 89% | 100% | 0 |
| Sun 5a | Rain | 44°7° (likely 44°7° to 47°8°) | 40°4° | 80%, 0.13 in3.3 mm | 5 mph8 km/h from NE, gusts 10 mph15 km/h | 89% | 100% | 0 |
| Sun 6a | Cloudy | 42°6° (likely 42°6° to 47°8°) | 37°3° | 80%, 0.13 in3.3 mm | 5 mph8 km/h from NE, gusts 12 mph19 km/h | 100% | 100% | 0 |
| Sun 7a | Showers | 42°6° (likely 42°6° to 47°8°) | 37°3° | 90%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 11 mph18 km/h | 100% | 100% | 0 |
| Sun 8a | Drizzle | 41°5° (likely 41°5° to 47°8°) | 36°2° | 80%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 13 mph21 km/h | 100% | 100% | 0 |
| Sun 9a | Cloudy | 43°6° (likely 43°6° to 47°8°) | 38°3° | 70%, 0.05 in1.3 mm | 5 mph8 km/h from NE, gusts 14 mph23 km/h | 100% | 100% | 0 |
| Sun 10a | Showers | 44°7° (likely 44°7° to 47°8°) | 39°4° | 50%, 0.05 in1.3 mm | 10 mph16 km/h from ENE, gusts 15 mph23 km/h | 100% | 100% | 0 |
| Sun 11a | Cloudy | 46°8° (likely 45°7° to 48°9°) | 41°5° | 30%, 0.05 in1.3 mm | 10 mph16 km/h from NE, gusts 15 mph25 km/h | 89% | 100% | 0 |
| Sun 12p | Cloudy | 47°8° (likely 45°7° to 49°9°) | 42°6° | 30%, 0.05 in1.3 mm | 10 mph16 km/h from NE, gusts 16 mph25 km/h | 86% | 100% | 0 |
| Sun 1p | Cloudy | 47°8° (likely 45°7° to 50°10°) | 42°6° | 40%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 15 mph25 km/h | 86% | 100% | 0 |
| Sun 2p | Cloudy | 49°9° (likely 45°7° to 51°11°) | 45°7° | 40%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 15 mph25 km/h | 80% | 100% | 0 |
| Sun 3p | Cloudy | 49°9° (likely 45°7° to 51°11°) | 45°7° | 40%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 14 mph23 km/h | 80% | 100% | 0 |
| Sun 4p | Cloudy | 49°9° (likely 44°7° to 50°10°) | 45°7° | 50%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 80% | 100% | 0 |
| Sun 5p | Cloudy | 50°10° (likely 44°7° to 50°10°) | 46°8° | 50%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 16 mph26 km/h | 77% | 100% | 0 |
| Sun 6p | Drizzle | 48°9° (likely 42°6° to 48°9°) | 43°6° | 50%, 0.12 in3 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 83% | 100% | 0 |
| Sun 7p | Rain | 47°8° (likely 42°6° to 47°8°) | 42°6° | 40%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 86% | 100% | 0 |
| Sun 8p | Rain | 43°6° (likely 42°6° to 46°8°) | 37°3° | 40%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 18 mph28 km/h | 100% | 100% | 0 |
| Sun 9p | Drizzle | 41°5° (likely 41°5° to 46°8°) | 35°2° | 50%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 20 mph31 km/h | 100% | 100% | 0 |
| Sun 10p | Showers | 40°4° (likely 40°4° to 45°7°) | 33°1° | 60%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 100% | 100% | 0 |
| Sun 11p | Showers | 40°4° (likely 40°4° to 45°7°) | 33°1° | 70%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 19 mph30 km/h | 100% | 100% | 0 |
| Mon 12a | Rain | 40°4° (likely 40°4° to 45°7°) | 33°1° | 80%, 0.29 in7.4 mm | 10 mph16 km/h from NE, gusts 20 mph31 km/h | 100% | 100% | 0 |
| Mon 1a | Rain | 40°4° (likely 40°4° to 44°7°) | 33°1° | 100%, 0.63 in16 mm | 10 mph16 km/h from NE, gusts 20 mph33 km/h | 100% | 100% | 0 |
| Mon 2a | Rain | 40°4° (likely 40°4° to 43°6°) | 33°1° | 100%, 0.63 in16 mm | 15 mph24 km/h from NE, gusts 21 mph33 km/h | 100% | 100% | 0 |
| Mon 3a | Showers | 39°4° (likely 39°4° to 43°6°) | 31°−1° | 100%, 0.63 in16 mm | 15 mph24 km/h from ENE, gusts 21 mph34 km/h | 100% | 100% | 0 |
| Mon 4a | Rain | 38°3° (likely 38°3° to 43°6°) | 30°−1° | 100%, 0.63 in16 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 100% | 100% | 0 |
| Mon 5a | Showers | 38°3° (likely 38°3° to 43°6°) | 30°−1° | 90%, 0.63 in16 mm | 15 mph24 km/h from ENE, gusts 23 mph36 km/h | 100% | 100% | 0 |
| Mon 6a | Drizzle | 38°3° (likely 38°3° to 43°6°) | 30°−1° | 90%, 0.63 in16 mm | 15 mph24 km/h from ENE, gusts 22 mph36 km/h | 100% | 100% | 0 |
| Mon 7a | Drizzle | 39°4° (likely 39°4° to 44°7°) | 31°−1° | 90%, 0.35 in8.9 mm | 15 mph24 km/h from ENE, gusts 22 mph35 km/h | 100% | 100% | 0 |
| Mon 8a | Showers | 40°4° (likely 40°4° to 45°7°) | 32°0° | 90%, 0.35 in8.9 mm | 15 mph24 km/h from ENE, gusts 19 mph31 km/h | 100% | 100% | 0 |
| Mon 9a | Rain | 41°5° (likely 41°5° to 45°7°) | 34°1° | 90%, 0.35 in8.9 mm | 15 mph24 km/h from ENE, gusts 20 mph32 km/h | 100% | 100% | 0 |
| Mon 10a | Rain | 42°6° (likely 41°5° to 46°8°) | 35°2° | 90%, 0.35 in8.9 mm | 15 mph24 km/h from ENE, gusts 18 mph30 km/h | 100% | 100% | 0 |
| Mon 11a | Showers | 43°6° (likely 42°6° to 47°8°) | 36°2° | 90%, 0.35 in8.9 mm | 15 mph24 km/h from ENE, gusts 18 mph29 km/h | 100% | 100% | 0 |
Afternoon
noon–6 PM
70% chance · 0.09 in2.3 mm
Evening
6 PM–midnight
70% chance · 0.26 in6.6 mm
Overnight
midnight–6 AM
80% chance · 0.7 in18 mm
Official NWS forecast
Today: Rain showers likely. Mostly cloudy. High near 59, with temperatures falling to around 52 in the afternoon. North northwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tonight: Rain showers. Mostly cloudy, with a low around 41. North northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
90% chance · 0.38 in9.7 mm
Afternoon
noon–6 PM
50% chance · 0.65 in17 mm
Evening
6 PM–midnight
70% chance · 1.6 in40 mm
Overnight
midnight–6 AM
100% chance · 3.4 in87 mm
Official NWS forecast
Day: Rain showers. Cloudy, with a high near 50. Northeast wind 5 to 10 mph. Chance of precipitation is 90%.
Night: Rain showers. Cloudy, with a low around 38. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
90% chance · 2.4 in60 mm
Afternoon
noon–6 PM
90% chance · 0.19 in4.7 mm
Evening
6 PM–midnight
90% chance · 0.14 in3.6 mm
Overnight
midnight–6 AM
50% chance
Official NWS forecast
Day: Rain showers. Cloudy, with a high near 49. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Night: Rain showers before 1am. Mostly cloudy, with a low around 37. Chance of precipitation is 100%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 56.
Night: A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 43.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 61.
Night: Partly cloudy, with a low around 39.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Mostly sunny, with a high near 61.
Night: Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance
Overnight
midnight–6 AM
30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers after 1pm. Mostly cloudy, with a high near 61.
Night: A chance of rain showers. Mostly cloudy, with a low around 43.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Best day outdoors this week: the one dry, mild day the forecasts agree on (high 61°16°).
Morning
6 AM–noon
40% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
40% chance · 0.23 in5.8 mm
Evening
6 PM–midnight
30% chance · 0.13 in3.2 mm
Overnight
midnight–6 AM
20% chance · 0.04 in1 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.05 in1.1 mm
Afternoon
noon–6 PM
30% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
20% chance · 0.11 in2.7 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
72% chance of rain, high 59°, low 41°.
90% chance of rain, high 50°, low 38°, cooling off.
100% chance of rain, high 49°, low 37°.
Mostly dry, highs 55–62°.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (LBF) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 12 PM · NWS gauge page
Reading from Sat 12 PM · NWS gauge page
Reading from Sat 11:15 AM · NWS gauge page
Reading from Sat 12 PM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 73% less heating than a typical week.
Heating degree days, base 65°F
47, 17 and 5°F are the test points heat pumps are rated at. About 17 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 37°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 2°1° warmer than typical.
Gross weather by month: normals, records, snow and freeze dates
Sunrise 7:58 AM, sunset 6:37 PM.
Clouds most of the night (about 99% cover).
Waxing gibbous
97% lit · growing