Observed 12:40 PM CDT at KMSN

Rio, WI weather

Sunny and 70°21°, 16°9° warmer than a typical Oct 24.

Forecasts agree

Now 70°21°

Sunny

Wind: 13 mph20 km/h; From the south. 58–13 mph20 km/h through 1 AM
Dew point: 46°8°; Comfortable
UV index: 4Moderate; Moderate until 4 PM
Pressure: 30.34 inHg1027 hPa; Falling · −0.05 inHg−1.6 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

2°1° warmer than this time yesterday (65°18° then, 67°19° now)

Good hours for

High 72°22° today at 4 PM
Low 53°12° tomorrow at 6 AM
Above 60°16° tomorrow by 10 AM

This afternoonNear 71°22° · Partly cloudy
TonightDown to 54°12° by 5 AM · Mostly cloudy
Tomorrow morningUp to 64°18° by 11 AM · Mostly cloudy
Tomorrow afternoonUp to 72°22° by 3 PM · Mostly cloudy
Tomorrow nightDown to 50°10° by 4 AM · Mostly cloudy
Monday morningUp to 56°13° by 11 AM · Cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 1p	Mostly sunny	69°21° (likely 67°19° to 69°21°)	69°21°	0%	10 mph16 km/h from S, gusts 20 mph32 km/h	47%	27%	4
Sat 2p	Partly sunny	70°21° (likely 68°20° to 70°21°)	70°21°	0%	10 mph16 km/h from S, gusts 20 mph32 km/h	45%	30%	4
Sat 3p	Partly sunny	71°22° (likely 68°20° to 71°22°)	71°22°	0%	10 mph16 km/h from S, gusts 21 mph33 km/h	44%	22%	3
Sat 4p	Partly sunny	72°22° (likely 68°20° to 72°22°)	72°22°	0%	10 mph16 km/h from S, gusts 21 mph34 km/h	41%	31%	2
Sat 5p	Mostly cloudy	72°22° (likely 66°19° to 72°22°)	72°22°	0%	10 mph16 km/h from S, gusts 21 mph34 km/h	42%	39%	1
Sat 6p	Cloudy	68°20° (likely 63°17° to 68°20°)	68°20°	5%	10 mph16 km/h from S, gusts 16 mph25 km/h	49%	70%	0
Sat 7p	Partly cloudy	65°18° (likely 61°16° to 65°18°)	65°18°	5%	10 mph16 km/h from S, gusts 16 mph25 km/h	54%	77%	0
Sat 8p	Partly cloudy	63°17° (likely 60°16° to 63°17°)	63°17°	5%	10 mph16 km/h from S, gusts 15 mph25 km/h	58%	77%	0
Sat 9p	Cloudy	62°17° (likely 59°15° to 62°17°)	62°17°	5%	10 mph16 km/h from S, gusts 16 mph25 km/h	60%	90%	0
Sat 10p	Partly cloudy	61°16° (likely 58°14° to 61°16°)	61°16°	5%	10 mph16 km/h from S, gusts 15 mph24 km/h	62%	73%	0
Sat 11p	Cloudy	59°15° (likely 57°14° to 60°16°)	59°15°	5%	10 mph16 km/h from S, gusts 15 mph24 km/h	67%	87%	0
Sun 12a	Cloudy	59°15° (likely 56°13° to 60°16°)	59°15°	5%	5 mph8 km/h from S, gusts 15 mph24 km/h	67%	75%	0
Sun 1a	Cloudy	57°14° (likely 55°13° to 59°15°)	57°14°	5%	5 mph8 km/h from S, gusts 14 mph23 km/h	69%	79%	0
Sun 2a	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	5%	5 mph8 km/h from S, gusts 14 mph22 km/h	69%	81%	0
Sun 3a	Cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	5%	5 mph8 km/h from S, gusts 12 mph20 km/h	72%	81%	0
Sun 4a	Cloudy	55°13° (likely 54°12° to 56°13°)	55°13°	5%	5 mph8 km/h from S, gusts 12 mph19 km/h	74%	81%	0
Sun 5a	Cloudy	54°12° (likely 54°12° to 55°13°)	54°12°	5%	5 mph8 km/h from S, gusts 12 mph20 km/h	74%	81%	0
Sun 6a	Cloudy	53°12° (likely 53°12° to 55°13°)	53°12°	5%	5 mph8 km/h from S, gusts 11 mph18 km/h	77%	82%	0
Sun 7a	Cloudy	53°12° (likely 53°12° to 56°13°)	53°12°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	82%	0
Sun 8a	Cloudy	54°12° (likely 54°12° to 56°13°)	54°12°	5%	5 mph8 km/h from S, gusts 10 mph16 km/h	77%	77%	0
Sun 9a	Partly sunny	57°14° (likely 57°14° to 58°14°)	57°14°	5%	5 mph8 km/h from SW, gusts 9 mph15 km/h	75%	71%	1
Sun 10a	Cloudy	61°16° (likely 59°15° to 61°16°)	61°16°	5%	5 mph8 km/h from SW, gusts 10 mph15 km/h	65%	67%	1
Sun 11a	Cloudy	64°18° (likely 62°17° to 64°18°)	64°18°	5%	5 mph8 km/h from SW, gusts 8 mph14 km/h	60%	60%	2
Sun 12p	Cloudy	67°19° (likely 64°18° to 67°19°)	67°19°	5%	5 mph8 km/h from W, gusts 9 mph14 km/h	56%	67%	3
Sun 1p	Partly sunny	69°21° (likely 65°18° to 69°21°)	69°21°	5%	5 mph8 km/h from W, gusts 10 mph15 km/h	55%	70%	3
Sun 2p	Partly sunny	71°22° (likely 66°19° to 71°22°)	71°22°	5%	5 mph8 km/h from W, gusts 9 mph14 km/h	53%	71%	2
Sun 3p	Partly sunny	72°22° (likely 67°19° to 72°22°)	72°22°	5%	5 mph8 km/h from W, gusts 9 mph15 km/h	51%	74%	2
Sun 4p	Partly sunny	72°22° (likely 67°19° to 72°22°)	72°22°	5%	5 mph8 km/h from W, gusts 8 mph13 km/h	53%	43%	2
Sun 5p	Cloudy	70°21° (likely 66°19° to 70°21°)	70°21°	5%	5 mph8 km/h from NW, gusts 6 mph10 km/h	57%	76%	1
Sun 6p	Cloudy	67°19° (likely 63°17° to 67°19°)	67°19°	5%	0 mph0 km/h, gusts 9 mph14 km/h	63%	76%	0
Sun 7p	Cloudy	64°18° (likely 59°15° to 64°18°)	64°18°	0%	0 mph0 km/h, gusts 10 mph16 km/h	67%	76%	0
Sun 8p	Cloudy	61°16° (likely 57°14° to 61°16°)	61°16°	0%	0 mph0 km/h, gusts 12 mph19 km/h	70%	72%	0
Sun 9p	Cloudy	59°15° (likely 55°13° to 59°15°)	59°15°	5%	5 mph8 km/h from N, gusts 13 mph21 km/h	75%	67%	0
Sun 10p	Cloudy	57°14° (likely 55°13° to 58°14°)	57°14°	5%	5 mph8 km/h from N, gusts 12 mph20 km/h	77%	64%	0
Sun 11p	Cloudy	56°13° (likely 54°12° to 56°13°)	56°13°	5%	5 mph8 km/h from N, gusts 13 mph21 km/h	80%	68%	0
Mon 12a	Cloudy	54°12° (likely 53°12° to 55°13°)	54°12°	5%	5 mph8 km/h from N, gusts 13 mph21 km/h	80%	77%	0
Mon 1a	Cloudy	53°12° (likely 52°11° to 54°12°)	53°12°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	83%	77%	0
Mon 2a	Cloudy	52°11° (likely 50°10° to 54°12°)	52°11°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	80%	89%	0
Mon 3a	Cloudy	51°11° (likely 49°9° to 53°12°)	51°11°	0%	5 mph8 km/h from NE, gusts 14 mph22 km/h	80%	90%	0
Mon 4a	Cloudy	50°10° (likely 49°9° to 52°11°)	48°9°	0%	5 mph8 km/h from NE, gusts 12 mph20 km/h	77%	87%	0
Mon 5a	Cloudy	50°10° (likely 49°9° to 51°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 13 mph20 km/h	74%	91%	0
Mon 6a	Cloudy	50°10° (likely 48°9° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 15 mph24 km/h	71%	91%	0
Mon 7a	Cloudy	50°10° (likely 47°8° to 52°11°)	47°8°	0%	5 mph8 km/h from NE, gusts 16 mph25 km/h	68%	93%	0
Mon 8a	Cloudy	50°10° (likely 48°9° to 54°12°)	47°8°	0%	5 mph8 km/h from NE, gusts 14 mph23 km/h	68%	96%	0
Mon 9a	Cloudy	52°11° (likely 50°10° to 54°12°)	52°11°	0%	5 mph8 km/h from NE, gusts 17 mph27 km/h	63%	93%	0
Mon 10a	Cloudy	54°12° (likely 52°11° to 55°13°)	54°12°	0%	10 mph16 km/h from NE, gusts 17 mph28 km/h	61%	87%	1
Mon 11a	Cloudy	56°13° (likely 53°12° to 57°14°)	56°13°	0%	10 mph16 km/h from NE, gusts 16 mph25 km/h	57%	87%	2
Mon 12p	Cloudy	57°14° (likely 54°12° to 59°15°)	57°14°	0%	10 mph16 km/h from E, gusts 15 mph24 km/h	55%	87%	3

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Cloudy. High 72°22°, low 53°12°. Typical 56°13° / 36°2°. Dry. Forecasts agree.
1. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
2. Evening
  6 PM–midnight
  Cloudy, 63°17°
  Dry
3. Overnight
  midnight–6 AM
  Cloudy, 54°12°
  Dry
Official NWS forecast
Today: Mostly sunny, with a high near 72. South wind around 10 mph.
Tonight: Mostly cloudy, with a low around 53. South wind 5 to 10 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
68°20°–72°22°
Low, likely
51°11°–53°12°
Typical high / low
56°13° / 36°2°
Wind
14 mph22 km/h, gusts 24 mph39 km/h
UV peak
4
Tomorrow, Oct 25. Cloudy. High 72°22°, low 50°10°. Typical 55°13° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 54°12°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Official NWS forecast
Day: Mostly sunny, with a high near 72. West wind around 5 mph.
Night: Mostly cloudy, with a low around 50. North wind 0 to 5 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–72°22°
Low, likely
50°10°–54°12°
Typical high / low
55°13° / 36°2°
Wind
13 mph20 km/h, gusts 20 mph32 km/h
UV peak
3
Monday, Oct 26. Cloudy. High 60°16°, low 43°6°. Typical 54°12° / 36°2°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 58°15°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 50°10°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 47°8°
  Dry
Official NWS forecast
Day: Mostly cloudy, with a high near 60. Northeast wind 5 to 10 mph.
Night: Mostly cloudy, with a low around 43. East wind around 10 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
56°13°–61°16°
Low, likely
43°6°–48°9°
Typical high / low
54°12° / 36°2°
Wind
14 mph23 km/h, gusts 24 mph38 km/h
UV peak
3
Tuesday, Oct 27. Mostly cloudy. High 66°19°, low 48°9°. Typical 54°12° / 35°2°. Dry. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 56°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 66. Southeast wind around 10 mph.
Night: Mostly cloudy, with a low around 48. Southeast wind 5 to 10 mph.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–70°21°
Low, likely
45°7°–48°9°
Typical high / low
54°12° / 35°2°
Wind
15 mph25 km/h, gusts 25 mph41 km/h
UV peak
3
Wednesday, Oct 28. Showers. High 69°21°, low 48°9°. Typical 54°12° / 35°2°. Rain 0.03 in0.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 56°13°
  Dry
2. Afternoon
  noon–6 PM
  Partly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  20% chance · 0.01 in0.4 mm
4. Overnight
  midnight–6 AM
  Drizzle, 58°14°
  20% chance · 0.05 in1.1 mm
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers after 7am. Mostly sunny, with a high near 69. Chance of precipitation is 30%.
Night: A chance of rain showers. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–73°23°
Low, likely
48°9°–58°14°
Typical high / low
54°12° / 35°2°
Wind
16 mph25 km/h, gusts 30 mph47 km/h
UV peak
4
Thursday, Oct 29. Partly sunny. High 65°18°, low 43°6°. Typical 53°12° / 35°2°. Dry. Mostly agree. Best day outdoors this week.
1. Morning
  6 AM–noon
  Cloudy, 57°14°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 66°19°
  Dry
3. Evening
  6 PM–midnight
  Clear, 55°13°
  Dry
4. Overnight
  midnight–6 AM
  Partly cloudy, 49°9°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A slight chance of rain showers before 7am. Mostly sunny, with a high near 65. Chance of precipitation is 20%.
Night: A slight chance of rain showers after 7pm. Partly cloudy, with a low around 43. Chance of precipitation is 20%.
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 65°18°).
High, likely
65°18°–67°19°
Low, likely
43°6°–54°12°
Typical high / low
53°12° / 35°2°
Wind
13 mph20 km/h, gusts 30 mph48 km/h
UV peak
2
Friday, Oct 30. Showers. High 63°17°, low 44°7°. Typical 52°11° / 34°1°. Rain 0.04 in1 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 51°10°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Drizzle, 62°17°
  20% chance
4. Overnight
  midnight–6 AM
  Cloudy, 59°15°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: A chance of rain showers. Mostly sunny, with a high near 63. Chance of precipitation is 30%.
Night: A chance of rain showers. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
63°17°–73°23°
Low, likely
44°7°–54°12°
Typical high / low
52°11° / 34°1°
Wind
20 mph32 km/h, gusts 33 mph53 km/h
UV peak
2
Saturday, Oct 31. Rain. High 66°19°, low 58°14°. Typical 52°11° / 34°1°. Rain 0.15 in3.8 mm, 50% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Cloudy, 59°15°
  30% chance
2. Afternoon
  noon–6 PM
  Cloudy, 68°20°
  30% chance
3. Evening
  6 PM–midnight
  Rain, 62°17°
  50% chance · 0.09 in2.4 mm
4. Overnight
  midnight–6 AM
  Rain, 58°14°
  50% chance · 0.19 in4.9 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.
High, likely
63°17°–71°22°
Low, likely
54°12°–64°18°
Typical high / low
52°11° / 34°1°
Wind
20 mph32 km/h, gusts 33 mph54 km/h
Sunday, Nov 1. Drizzle. High 62°17°, low 52°11°. Typical 52°11° / 34°1°. Rain 0.49 in12 mm, 50% chance. Mostly agree.
1. Morning
  6 AM–noon
  Drizzle, 59°15°
  40% chance · 0.15 in3.9 mm
2. Afternoon
  noon–6 PM
  Drizzle, 63°17°
  40% chance · 0.05 in1.3 mm
3. Evening
  6 PM–midnight
  Showers, 57°14°
  40% chance · 0.17 in4.3 mm
4. Overnight
  midnight–6 AM
  Showers, 48°9°
  30% chance · 0.12 in3 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.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
60°16°–63°17°
Low, likely
48°9°–58°14°
Typical high / low
52°11° / 34°1°
Wind
22 mph36 km/h, gusts 34 mph55 km/h
UV peak
1
Monday, Nov 2. Showers. High 55°13°, low 47°8°. Typical 51°11° / 33°1°. Rain 0.44 in11 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Drizzle, 50°10°
  30% chance · 0.1 in2.5 mm
2. Afternoon
  noon–6 PM
  Rain, 54°12°
  30% chance · 0.21 in5.2 mm
3. Evening
  6 PM–midnight
  Drizzle, 50°10°
  30% 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.
High, likely
48°9°–63°17°
Low, likely
37°3°–58°14°
Typical high / low
51°11° / 33°1°
Wind
20 mph31 km/h, gusts 38 mph61 km/h

10 days15 days30 days

The outlook

Today
Dry, high 72°, low 53°.
Tomorrow
Dry, high 72°, low 50°.
Monday
Dry, high 60°, low 43°, cooling off.
Rest of week
Highs 55–69°; chance of precipitation on Saturday, Sunday.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MKX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Fox River (North) at Pardeeville

7.3 mi

Below flood stage

Level: 8.2 ft

Reading from Sat 9:30 AM · NWS gauge page

Crawfish River at Columbus

14 mi

Below flood stage

Level: 12.5 ft

Reading from Sat 12:30 PM · NWS gauge page

Spring Creek at Lodi

17 mi

Below flood stage

Level: 3.3 ft
Flow: 13 cfs

Reading from Sat 7 AM · NWS gauge page

Yahara River at Windsor

18 mi

Below flood stage

Level: 1.1 ft
Flow: 15 cfs

Reading from Sat 12 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 91% less heating than a typical week.

This week 13Typical 143

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 46°F).

Open the windows?

Today, 2:00 PM–10:00 PM

Good stretch to open the windows (air quality forecast not available for part of this window).

Is this typical?

Portage Wwtp · official normals 1991–2020 · records 1896–2026

Oct 24, today vs a typical year

Today’s expected high is 16°9° warmer than typical.

Last 7 days vs normal

On average 6°3° warmer than normal (daily mean temperature).

−3°−2°SunOct 18
+6°+3°MonOct 19
+6°+3°TueOct 20
+7°+4°WedOct 21
+11°+6°ThuOct 22
+12°+7°FriOct 23
—SatOct 24

Rio weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 10 h 37 min; Losing 2 min 44 s a day; shortest Dec 21, 1 h 40 min less
Golden hour: 5:19–6:17 PM; Morning 7:04–8:02 AM
Blue hour: 6:17–6:28 PM; Morning 6:53–7:04 AM; first light 6:53 AM

Stars tonight? Poor

Clouds most of the night (about 79% cover).

Moon

Waxing gibbous

97% lit · growing

Today: sets 5:34 AM · rises 4:58 PM
Full moon: Oct 25
New moon: Nov 9

Looking west from Rio. A level horizon.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Rio, WI weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Fox River (North) at Pardeeville

Crawfish River at Columbus

Spring Creek at Lodi

Yahara River at Windsor

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Poor

Moon