Big Sioux River near Florence
11 mi- Level
- 2.9 ft
Reading from Sat 9 AM · NWS gauge page
Appearance
Observed 9:35 AM CDT at KATY
Overcast and 48°9°.
Today: low 38°3° (likely 38°3° to 45°7°), high 57°14° (likely 57°14° to 66°19°).
Now 48°9°
Cloudy · Feels like 42°6°
No precipitation expected in the next 2 hours.
From forecast models
| Hour | Conditions | Temperature | Feels like | Precipitation | Wind | Humidity | Cloud cover | UV index |
|---|---|---|---|---|---|---|---|---|
| Sat 9a | Rain | 51°11° (likely 49°9° to 53°12°) | 51°11° | 40%, 0.02 in0.5 mm | 15 mph24 km/h from WNW, gusts 28 mph46 km/h | 83% | 95% | 0 |
| Sat 10a | Rain | 50°10° (likely 48°9° to 51°11°) | 44°7° | 30%, 0.02 in0.5 mm | 16 mph26 km/h from NW, gusts 29 mph46 km/h | 77% | 99% | 1 |
| Sat 11a | Cloudy | 50°10° (likely 46°8° to 50°10°) | 44°7° | 20%, 0.02 in0.5 mm | 16 mph26 km/h from NW, gusts 26 mph42 km/h | 71% | 100% | 1 |
| Sat 12p | Drizzle | 49°9° (likely 46°8° to 49°9°) | 43°6° | 5%, 0.02 in0.5 mm | 15 mph24 km/h from NW, gusts 24 mph39 km/h | 68% | 80% | 2 |
| Sat 1p | Cloudy | 51°11° (likely 46°8° to 51°11°) | 51°11° | 5% | 15 mph24 km/h from NW, gusts 23 mph38 km/h | 60% | 93% | 3 |
| Sat 2p | Cloudy | 55°13° (likely 47°8° to 55°13°) | 55°13° | 5% | 15 mph24 km/h from NW, gusts 20 mph33 km/h | 51% | 78% | 3 |
| Sat 3p | Cloudy | 53°12° (likely 48°9° to 53°12°) | 53°12° | 5% | 14 mph23 km/h from NW, gusts 20 mph31 km/h | 52% | 87% | 2 |
| Sat 4p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 0% | 12 mph19 km/h from NW, gusts 17 mph28 km/h | 48% | 80% | 1 |
| Sat 5p | Cloudy | 53°12° (likely 49°9° to 53°12°) | 53°12° | 0% | 10 mph16 km/h from NNW, gusts 15 mph25 km/h | 46% | 81% | 0 |
| Sat 6p | Cloudy | 50°10° (likely 49°9° to 50°10°) | 47°8° | 0% | 7 mph11 km/h from NNW, gusts 11 mph18 km/h | 50% | 84% | 0 |
| Sat 7p | Cloudy | 49°9° (likely 46°8° to 49°9°) | 47°8° | 0% | 5 mph8 km/h from NNW, gusts 9 mph15 km/h | 52% | 84% | 0 |
| Sat 8p | Cloudy | 47°8° (likely 45°7° to 48°9°) | 45°7° | 0% | 5 mph8 km/h from NNW, gusts 9 mph14 km/h | 51% | 84% | 0 |
| Sat 9p | Cloudy | 46°8° (likely 43°6° to 47°8°) | 44°7° | 0% | 5 mph8 km/h from NNW, gusts 9 mph14 km/h | 53% | 80% | 0 |
| Sat 10p | Cloudy | 45°7° (likely 43°6° to 46°8°) | 43°6° | 0% | 5 mph8 km/h from NNW, gusts 8 mph13 km/h | 53% | 85% | 0 |
| Sat 11p | Clear | 45°7° (likely 41°5° to 45°7°) | 43°6° | 0% | 5 mph8 km/h from NNW, gusts 7 mph11 km/h | 49% | 41% | 0 |
| Sun 12a | Clear | 44°7° (likely 39°4° to 44°7°) | 41°5° | 0% | 5 mph8 km/h from NNW, gusts 7 mph11 km/h | 51% | 41% | 0 |
| Sun 1a | Clear | 44°7° (likely 38°3° to 44°7°) | 41°5° | 0% | 5 mph8 km/h from N, gusts 6 mph10 km/h | 51% | 43% | 0 |
| Sun 2a | Mostly cloudy | 43°6° (likely 37°3° to 43°6°) | 41°5° | 0% | 3 mph5 km/h from N, gusts 7 mph11 km/h | 51% | 44% | 0 |
| Sun 3a | Cloudy | 43°6° (likely 35°2° to 43°6°) | 41°5° | 0% | 3 mph5 km/h from NNE, gusts 7 mph12 km/h | 49% | 82% | 0 |
| Sun 4a | Cloudy | 42°6° (likely 35°2° to 42°6°) | 40°4° | 0% | 3 mph5 km/h from NNE, gusts 7 mph12 km/h | 51% | 80% | 0 |
| Sun 5a | Cloudy | 40°4° (likely 35°2° to 41°5°) | 38°3° | 0% | 3 mph5 km/h from NNE, gusts 8 mph12 km/h | 52% | 77% | 0 |
| Sun 6a | Cloudy | 40°4° (likely 34°1° to 41°5°) | 37°3° | 0% | 5 mph8 km/h from NNE, gusts 8 mph13 km/h | 52% | 76% | 0 |
| Sun 7a | Cloudy | 40°4° (likely 34°1° to 41°5°) | 37°3° | 0% | 5 mph8 km/h from NE, gusts 9 mph14 km/h | 52% | 80% | 0 |
| Sun 8a | Cloudy | 39°4° (likely 34°1° to 41°5°) | 36°2° | 0% | 5 mph8 km/h from NE, gusts 10 mph15 km/h | 54% | 92% | 0 |
| Sun 9a | Cloudy | 40°4° (likely 36°2° to 43°6°) | 37°3° | 5% | 5 mph8 km/h from NE, gusts 10 mph16 km/h | 55% | 94% | 0 |
| Sun 10a | Cloudy | 44°7° (likely 42°6° to 44°7°) | 41°5° | 5% | 6 mph10 km/h from ENE, gusts 12 mph19 km/h | 47% | 89% | 1 |
| Sun 11a | Cloudy | 45°7° (likely 42°6° to 46°8°) | 42°6° | 5% | 6 mph10 km/h from ENE, gusts 14 mph23 km/h | 47% | 96% | 1 |
| Sun 12p | Cloudy | 45°7° (likely 42°6° to 48°9°) | 41°5° | 10% | 7 mph11 km/h from ENE, gusts 15 mph24 km/h | 47% | 100% | 2 |
| Sun 1p | Cloudy | 45°7° (likely 43°6° to 49°9°) | 41°5° | 0%, 0.06 in1.5 mm | 7 mph11 km/h from ENE, gusts 14 mph23 km/h | 49% | 100% | 1 |
| Sun 2p | Cloudy | 47°8° (likely 43°6° to 49°9°) | 44°7° | 10%, 0.06 in1.5 mm | 7 mph11 km/h from ENE, gusts 12 mph19 km/h | 45% | 100% | 1 |
| Sun 3p | Drizzle | 45°7° (likely 43°6° to 46°8°) | 41°5° | 50%, 0.06 in1.5 mm | 7 mph11 km/h from ENE, gusts 14 mph22 km/h | 49% | 100% | 0 |
| Sun 4p | Drizzle | 45°7° (likely 42°6° to 45°7°) | 41°5° | 40%, 0.06 in1.5 mm | 7 mph11 km/h from ENE, gusts 15 mph24 km/h | 51% | 100% | 0 |
| Sun 5p | Rain | 45°7° (likely 41°5° to 45°7°) | 41°5° | 30%, 0.06 in1.5 mm | 7 mph11 km/h from NE, gusts 16 mph26 km/h | 51% | 100% | 0 |
| Sun 6p | Rain | 45°7° (likely 40°4° to 45°7°) | 41°5° | 20%, 0.06 in1.5 mm | 7 mph11 km/h from NE, gusts 14 mph22 km/h | 55% | 100% | 0 |
| Sun 7p | Drizzle | 43°6° (likely 39°4° to 43°6°) | 39°4° | 60%, 0.04 in1 mm | 6 mph10 km/h from NE, gusts 13 mph20 km/h | 65% | 100% | 0 |
| Sun 8p | Rain | 43°6° (likely 38°3° to 43°6°) | 39°4° | 60%, 0.04 in1 mm | 6 mph10 km/h from ENE, gusts 15 mph24 km/h | 62% | 100% | 0 |
| Sun 9p | Rain | 43°6° (likely 38°3° to 43°6°) | 39°4° | 60%, 0.04 in1 mm | 6 mph10 km/h from ENE, gusts 14 mph23 km/h | 62% | 100% | 0 |
| Sun 10p | Drizzle | 43°6° (likely 38°3° to 43°6°) | 39°4° | 60%, 0.04 in1 mm | 7 mph11 km/h from ENE, gusts 17 mph27 km/h | 65% | 100% | 0 |
| Sun 11p | Rain | 43°6° (likely 38°3° to 43°6°) | 39°4° | 60%, 0.04 in1 mm | 7 mph11 km/h from ENE, gusts 17 mph28 km/h | 65% | 100% | 0 |
| Mon 12a | Rain | 43°6° (likely 38°3° to 43°6°) | 38°3° | 60%, 0.04 in1 mm | 8 mph13 km/h from NE, gusts 19 mph31 km/h | 65% | 100% | 0 |
| Mon 1a | Rain | 42°6° (likely 38°3° to 42°6°) | 37°3° | 40%, 0.01 in0.3 mm | 8 mph13 km/h from NE, gusts 20 mph32 km/h | 67% | 100% | 0 |
| Mon 2a | Rain | 41°5° (likely 38°3° to 41°5°) | 35°2° | 40%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 20 mph32 km/h | 70% | 100% | 0 |
| Mon 3a | Rain | 40°4° (likely 38°3° to 40°4°) | 34°1° | 40%, 0.01 in0.3 mm | 9 mph14 km/h from NE, gusts 20 mph32 km/h | 73% | 99% | 0 |
| Mon 4a | Rain | 39°4° (likely 38°3° to 40°4°) | 32°0° | 40%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 20 mph33 km/h | 76% | 98% | 0 |
| Mon 5a | Rain | 38°3° (likely 37°3° to 40°4°) | 31°−1° | 40%, 0.01 in0.3 mm | 10 mph16 km/h from NE, gusts 20 mph32 km/h | 79% | 100% | 0 |
| Mon 6a | Rain | 37°3° (likely 37°3° to 40°4°) | 29°−2° | 40%, 0.01 in0.3 mm | 12 mph19 km/h from NE, gusts 21 mph34 km/h | 82% | 99% | 0 |
| Mon 7a | Rain | 36°2° (likely 36°2° to 40°4°) | 28°−2° | 70%, 0.1 in2.5 mm | 12 mph19 km/h from NE, gusts 23 mph37 km/h | 85% | 100% | 0 |
| Mon 8a | Rain | 36°2° (likely 36°2° to 40°4°) | 28°−2° | 70%, 0.1 in2.5 mm | 12 mph19 km/h from NE, gusts 23 mph36 km/h | 85% | 100% | 0 |
Morning
6 AM–noon
40% chance · 0.06 in1.5 mm
Afternoon
noon–6 PM
Dry
Evening
6 PM–midnight
Dry
Overnight
midnight–6 AM
Dry
Official NWS forecast
Today: A chance of rain before noon. Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. Northwest wind 10 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight: Mostly cloudy, with a low around 38. North wind 3 to 7 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
Morning
6 AM–noon
Dry
Afternoon
noon–6 PM
50% chance · 0.3 in7.6 mm
Evening
6 PM–midnight
60% chance · 0.26 in6.6 mm
Overnight
midnight–6 AM
60% chance · 0.09 in2.3 mm
Official NWS forecast
Day: A chance of rain after 3pm. Cloudy, with a high near 47. Northeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Night: Rain likely. Cloudy, with a low around 35. Northeast wind 6 to 10 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 · 0.32 in8 mm
Afternoon
noon–6 PM
100% chance · 0.35 in8.9 mm
Evening
6 PM–midnight
100% chance · 0.3 in7.7 mm
Overnight
midnight–6 AM
100% chance · 0.11 in2.8 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: Rain. Cloudy, with a high near 41. Northeast wind 12 to 15 mph, with gusts as high as 26 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 34. East northeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Forecasts agreeIndependent forecasts are close; the range is narrow.
Morning
6 AM–noon
70% 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: Rain before 1pm. Mostly cloudy, with a high near 49. South wind around 9 mph. Chance of precipitation is 80%.
Night: A chance of rain after 7pm. Mostly cloudy, with a low around 41. South wind 6 to 9 mph. Chance of precipitation is 50%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
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: A chance of rain before 1pm. Partly sunny, with a high near 54. Southwest wind 9 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Night: Partly cloudy, with a low around 37.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
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 54.
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
30% chance · 0.08 in2.1 mm
Overnight
midnight–6 AM
30% chance · 0.1 in2.5 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 55. Chance of precipitation is 20%.
Night: A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
Morning
6 AM–noon
30% chance · 0.04 in1.1 mm
Afternoon
noon–6 PM
30% chance · 0.02 in0.6 mm
Evening
6 PM–midnight
30% chance · 0.04 in1 mm
Overnight
midnight–6 AM
30% chance · 0.05 in1.1 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
30% chance · 0.04 in0.9 mm
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
20% chance · 0.03 in0.7 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.
42% chance of rain, high 57°, low 38°.
47% chance of rain, high 47°, low 35°, cooling off.
82% chance of rain, high 41°, low 34°, cooling off.
Highs 49–59°; 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 9 AM · NWS gauge page
Reading from Sat 9 AM · NWS gauge page
Reading from Sat 9 AM · NWS gauge page
What this week’s weather means for heating, cooling, pipes and fresh air.
About 77% 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 3 hours are near freezing and damp, when outdoor units defrost more often.
Dry air outside (dew point 45°F).
No stretch in the next few days is comfortable enough outside, by temperature, dew point and air quality.
Today’s expected high is 6°3° warmer than typical.
On average 14°8° warmer than normal (daily mean temperature).
Ortley weather by month: normals, records, snow and freeze dates
Sunrise 7:57 AM, sunset 6:28 PM.
Clouds most of the night (about 70% cover).
Waxing gibbous
97% lit · growing