Big Sioux River near Florence
11 mi- Level
- 2.9 ft
Reading from Sat 2 AM · NWS gauge page
Appearance
Observed 1:56 AM CDT at K8D3
Clear and 68°20°, rain ~8–10 AM (53%).
Today: low 55°13° (likely 39°4° to 55°13°), high 57°14° (likely 57°14° to 66°19°).
Now 68°20°
Clear
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 3a | Clear | 62°17° (likely 62°17° to 65°18°) | 62°17° | 5% | 26 mph42 km/h from SSW, gusts 39 mph63 km/h | 65% | 28% | 0 |
| Sat 4a | Cloudy | 62°17° (likely 62°17° to 65°18°) | 62°17° | 5% | 25 mph40 km/h from SSW, gusts 39 mph63 km/h | 65% | 38% | 0 |
| Sat 5a | Cloudy | 61°16° (likely 61°16° to 64°18°) | 61°16° | 0% | 24 mph39 km/h from SSW, gusts 37 mph60 km/h | 67% | 37% | 0 |
| Sat 6a | Mostly clear | 61°16° (likely 60°16° to 63°17°) | 61°16° | 0% | 22 mph35 km/h from SW, gusts 35 mph56 km/h | 69% | 26% | 0 |
| Sat 7a | Rain | 61°16° (likely 59°15° to 61°16°) | 61°16° | 30%, 0.01 in0.3 mm | 17 mph27 km/h from WSW, gusts 29 mph47 km/h | 70% | 71% | 0 |
| Sat 8a | Cloudy | 57°14° (likely 56°13° to 59°15°) | 57°14° | 40%, 0.01 in0.3 mm | 17 mph27 km/h from W, gusts 26 mph42 km/h | 72% | 87% | 0 |
| Sat 9a | Rain | 55°13° (likely 52°11° to 55°13°) | 55°13° | 50%, 0.01 in0.3 mm | 18 mph29 km/h from WNW, gusts 28 mph46 km/h | 72% | 94% | 0 |
| Sat 10a | Rain | 56°13° (likely 48°9° to 56°13°) | 56°13° | 40%, 0.01 in0.3 mm | 18 mph29 km/h from NW, gusts 31 mph50 km/h | 62% | 98% | 1 |
| Sat 11a | Rain | 55°13° (likely 46°8° to 55°13°) | 55°13° | 20%, 0.01 in0.3 mm | 18 mph29 km/h from NW, gusts 28 mph45 km/h | 61% | 95% | 2 |
| Sat 12p | Cloudy | 54°12° (likely 47°8° to 54°12°) | 54°12° | 5%, 0.01 in0.3 mm | 17 mph27 km/h from NW, gusts 28 mph45 km/h | 59% | 91% | 3 |
| Sat 1p | Cloudy | 52°11° (likely 47°8° to 52°11°) | 52°11° | 5% | 16 mph26 km/h from NW, gusts 25 mph41 km/h | 61% | 79% | 3 |
| Sat 2p | Cloudy | 55°13° (likely 48°9° to 55°13°) | 55°13° | 10% | 15 mph24 km/h from NW, gusts 23 mph36 km/h | 51% | 89% | 3 |
| Sat 3p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 5% | 14 mph23 km/h from NW, gusts 22 mph35 km/h | 52% | 90% | 3 |
| Sat 4p | Cloudy | 52°11° (likely 50°10° to 54°12°) | 52°11° | 0% | 13 mph21 km/h from NW, gusts 18 mph30 km/h | 52% | 84% | 2 |
| Sat 5p | Cloudy | 52°11° (likely 50°10° to 53°12°) | 52°11° | 0% | 10 mph16 km/h from NNW, gusts 16 mph26 km/h | 50% | 71% | 1 |
| Sat 6p | Cloudy | 50°10° (likely 48°9° to 51°11°) | 47°8° | 0% | 8 mph13 km/h from NNW, gusts 12 mph20 km/h | 50% | 78% | 0 |
| Sat 7p | Cloudy | 48°9° (likely 45°7° to 48°9°) | 45°7° | 0% | 6 mph10 km/h from NW, gusts 12 mph19 km/h | 54% | 87% | 0 |
| Sat 8p | Cloudy | 47°8° (likely 43°6° to 47°8°) | 44°7° | 0% | 6 mph10 km/h from NW, gusts 12 mph19 km/h | 51% | 83% | 0 |
| Sat 9p | Partly cloudy | 46°8° (likely 42°6° to 46°8°) | 42°6° | 0% | 7 mph11 km/h from NW, gusts 12 mph19 km/h | 51% | 44% | 0 |
| Sat 10p | Mostly cloudy | 46°8° (likely 41°5° to 46°8°) | 42°6° | 0% | 7 mph11 km/h from NW, gusts 12 mph19 km/h | 49% | 47% | 0 |
| Sat 11p | Clear | 45°7° (likely 39°4° to 45°7°) | 41°5° | 0% | 7 mph11 km/h from NNW, gusts 12 mph19 km/h | 49% | 40% | 0 |
| Sun 12a | Clear | 45°7° (likely 39°4° to 45°7°) | 41°5° | 0% | 7 mph11 km/h from NNW, gusts 12 mph19 km/h | 47% | 40% | 0 |
| Sun 1a | Clear | 45°7° (likely 38°3° to 45°7°) | 41°5° | 0% | 7 mph11 km/h from NNW, gusts 11 mph17 km/h | 45% | 38% | 0 |
| Sun 2a | Cloudy | 44°7° (likely 38°3° to 44°7°) | 40°4° | 0% | 7 mph11 km/h from NNW, gusts 11 mph18 km/h | 47% | 75% | 0 |
| Sun 3a | Cloudy | 43°6° (likely 37°3° to 43°6°) | 39°4° | 0% | 6 mph10 km/h from N, gusts 12 mph19 km/h | 49% | 83% | 0 |
| Sun 4a | Cloudy | 43°6° (likely 37°3° to 43°6°) | 39°4° | 0% | 6 mph10 km/h from N, gusts 12 mph19 km/h | 47% | 76% | 0 |
| Sun 5a | Cloudy | 41°5° (likely 37°3° to 41°5°) | 37°3° | 0% | 6 mph10 km/h from N, gusts 12 mph19 km/h | 48% | 80% | 0 |
| Sun 6a | Cloudy | 41°5° (likely 36°2° to 41°5°) | 37°3° | 0% | 6 mph10 km/h from N, gusts 11 mph17 km/h | 48% | 90% | 0 |
| Sun 7a | Cloudy | 41°5° (likely 36°2° to 41°5°) | 37°3° | 0% | 6 mph10 km/h from NNE, gusts 10 mph16 km/h | 48% | 94% | 0 |
| Sun 8a | Cloudy | 40°4° (likely 36°2° to 41°5°) | 36°2° | 0% | 6 mph10 km/h from NNE, gusts 10 mph17 km/h | 52% | 98% | 0 |
| Sun 9a | Cloudy | 41°5° (likely 37°3° to 42°6°) | 37°3° | 5% | 6 mph10 km/h from NE, gusts 10 mph17 km/h | 53% | 97% | 0 |
| Sun 10a | Cloudy | 43°6° (likely 40°4° to 43°6°) | 39°4° | 5% | 6 mph10 km/h from NE, gusts 12 mph19 km/h | 49% | 100% | 1 |
| Sun 11a | Cloudy | 44°7° (likely 41°5° to 44°7°) | 41°5° | 5% | 6 mph10 km/h from NE, gusts 10 mph16 km/h | 49% | 100% | 1 |
| Sun 12p | Cloudy | 44°7° (likely 40°4° to 44°7°) | 40°4° | 10% | 7 mph11 km/h from NE, gusts 9 mph14 km/h | 49% | 100% | 2 |
| Sun 1p | Cloudy | 43°6° (likely 39°4° to 45°7°) | 39°4° | 5%, 0.05 in1.3 mm | 7 mph11 km/h from ENE, gusts 14 mph22 km/h | 53% | 100% | 3 |
| Sun 2p | Drizzle | 44°7° (likely 39°4° to 44°7°) | 40°4° | 10%, 0.05 in1.3 mm | 7 mph11 km/h from NE, gusts 12 mph20 km/h | 51% | 100% | 2 |
| Sun 3p | Rain | 44°7° (likely 38°3° to 44°7°) | 40°4° | 40%, 0.05 in1.3 mm | 7 mph11 km/h from NE, gusts 13 mph21 km/h | 53% | 100% | 1 |
| Sun 4p | Rain | 44°7° (likely 37°3° to 44°7°) | 40°4° | 40%, 0.05 in1.3 mm | 7 mph11 km/h from NE, gusts 14 mph22 km/h | 55% | 100% | 0 |
| Sun 5p | Rain | 45°7° (likely 37°3° to 45°7°) | 41°5° | 40%, 0.05 in1.3 mm | 7 mph11 km/h from NE, gusts 13 mph21 km/h | 53% | 100% | 0 |
| Sun 6p | Rain | 44°7° (likely 37°3° to 44°7°) | 40°4° | 20%, 0.05 in1.3 mm | 7 mph11 km/h from NE, gusts 13 mph20 km/h | 58% | 100% | 0 |
| Sun 7p | Drizzle | 44°7° (likely 37°3° to 44°7°) | 40°4° | 60%, 0.06 in1.5 mm | 7 mph11 km/h from NE, gusts 13 mph20 km/h | 60% | 100% | 0 |
| Sun 8p | Drizzle | 44°7° (likely 37°3° to 44°7°) | 40°4° | 60%, 0.06 in1.5 mm | 7 mph11 km/h from ENE, gusts 14 mph22 km/h | 60% | 100% | 0 |
| Sun 9p | Drizzle | 43°6° (likely 37°3° to 43°6°) | 38°3° | 60%, 0.06 in1.5 mm | 8 mph13 km/h from ENE, gusts 14 mph22 km/h | 62% | 99% | 0 |
| Sun 10p | Rain | 43°6° (likely 38°3° to 43°6°) | 38°3° | 60%, 0.06 in1.5 mm | 9 mph14 km/h from NE, gusts 15 mph24 km/h | 65% | 100% | 0 |
| Sun 11p | Rain | 43°6° (likely 38°3° to 43°6°) | 37°3° | 60%, 0.06 in1.5 mm | 10 mph16 km/h from NE, gusts 16 mph26 km/h | 65% | 100% | 0 |
| Mon 12a | Rain | 43°6° (likely 37°3° to 43°6°) | 37°3° | 60%, 0.06 in1.5 mm | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 65% | 100% | 0 |
| Mon 1a | Rain | 43°6° (likely 37°3° to 43°6°) | 37°3° | 40%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 17 mph27 km/h | 65% | 100% | 0 |
| Mon 2a | Rain | 42°6° (likely 36°2° to 45°7°) | 36°2° | 40%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 19 mph31 km/h | 67% | 100% | 0 |
Morning
6 AM–noon
50% chance · 0.05 in1.3 mm
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: A chance of rain between 7am and noon. Mostly cloudy. High near 57, with temperatures falling to around 52 in the afternoon. West northwest wind 10 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Partly cloudy. Low around 55, with temperatures rising to around 61 overnight. South southwest wind around 26 mph, with gusts as high as 38 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
40% chance · 0.25 in6.4 mm
Evening
6 PM–midnight
60% chance · 0.35 in8.9 mm
Overnight
midnight–6 AM
60% chance · 0.11 in2.8 mm
Official NWS forecast
Day: A chance of rain after 3pm. Cloudy, with a high near 46. Northeast wind around 7 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain likely. Cloudy, with a low around 36. Northeast wind 7 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
80% chance · 0.15 in3.8 mm
Afternoon
noon–6 PM
90% chance · 0.41 in10 mm
Evening
6 PM–midnight
90% chance · 0.38 in9.6 mm
Overnight
midnight–6 AM
90% chance · 0.1 in2.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Cloudy, with a high near 40. Northeast wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Night: Rain. Cloudy, with a low around 35. East northeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
70% chance
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
30% chance · 0.14 in3.6 mm
Overnight
midnight–6 AM
20% chance · 0.02 in0.6 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain before 1pm. Mostly cloudy, with a high near 48. South southwest wind 8 to 12 mph. Chance of precipitation is 80%.
Night: A chance of rain after 7pm. Mostly cloudy, with a low around 42. South wind 6 to 12 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
20% chance
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: A chance of rain before 1pm. Partly sunny, with a high near 54. Chance of precipitation is 50%.
Night: Partly cloudy, with a low around 38.
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: Mostly sunny, with a high near 53.
Night: Partly cloudy, with a low around 40.
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
20% chance · 0.02 in0.5 mm
Overnight
midnight–6 AM
30% chance · 0.02 in0.5 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain and snow after 7am. Partly sunny, with a high near 54. Chance of precipitation is 20%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance
Afternoon
noon–6 PM
20% chance
Evening
6 PM–midnight
30% chance · 0.01 in0.3 mm
Overnight
midnight–6 AM
30% chance · 0.03 in0.8 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
Dry
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
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.
53% chance of rain, high 57°, low 55°.
44% chance of rain, high 46°, low 36°, cooling off.
82% chance of rain, high 40°, low 35°, cooling off.
Highs 46–62°; chance of precipitation on Tuesday, Wednesday.
Want the meteorologists’ reasoning? Read the NWS forecast discussion (ABR) (opens in a new tab)
No meaningful changes from yesterday’s forecast.
Reading from Sat 2 AM · NWS gauge page
Reading from Sat 2 AM · NWS gauge page
Reading from Sat 1:15 AM · NWS gauge page
Reading from Sat 2:15 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 80% 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.
Dry air outside (dew point 48°F).
Today, 4:00 AM–6:00 AM
Good stretch to open the windows (air quality forecast not available for part of this window).
Today’s expected high is 4°2° warmer than typical.
On average 11°6° warmer than normal (daily mean temperature).
Summit weather by month: normals, records, snow and freeze dates
Sunrise 7:56 AM, sunset 6:27 PM.
Clouds most of the night (about 40% cover).
Waxing gibbous
96% lit · growing