Weather Forecast for Madison

Wisconsin, United States of America

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Clear

Current Weather - Madison: 8°C

Wisconsin, United States of America

Clear

Feels like 6°C

Wind

11 km/h ENE

Humidity

83%

Pressure

1017 mb

UV Index

0

Visibility

16 km

Partly Cloudy

Partly Cloudy

Sunday, April 26, 2026

High

18°C

Low

7°C

Rain Chance

0%

Hourly Forecast

Overcast 10°C
08:00
Overcast 11°C
09:00
Partly Cloudy 12°C
10:00
Partly Cloudy 14°C
11:00
Partly Cloudy 15°C
12:00
Partly Cloudy 16°C
13:00
Sunny 17°C
14:00
Partly Cloudy 18°C
15:00
Partly Cloudy 17°C
16:00
Partly Cloudy 17°C
17:00
Sunny 15°C
18:00
Partly Cloudy 14°C
19:00
Partly Cloudy 13°C
20:00
Cloudy 12°C
21:00
Partly Cloudy 12°C
22:00
Partly Cloudy 12°C
23:00
Apr 27

Day Statistics

Maximum Wind

21 km/h

Humidity

75%

Precipitation

0 mm

UV Index

6

Visibility

10 km

Rain Chance

0%

Snow Chance

0%

Sun & Moon

Sunrise

05:58 AM

Sunset

07:53 PM

Moonrise

02:57 PM

Moonset

03:43 AM

Moon Phase

Waxing Gibbous

Moon Illumination

70%

Air Quality

PM2.5

8.1

μg/m³

PM10

8.7

μg/m³

NO₂

6.3

μg/m³

O₃

83.9

μg/m³

SO₂

1.8

μg/m³

CO

195.7

μg/m³

US EPA Index: 1 GB DEFRA Index: 1

Weather Alerts

Flood Warning issued April 25 at 10:09AM CDT until April 30 at 1:00PM CDT by NWS Milwaukee/Sullivan WI

Jefferson, WI Apr 25, 10:09 AM - Apr 25, 10:15 PM
Severity: Severe Urgency: Immediate

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Jefferson affecting Jefferson County. Fox River Near Berlin affecting Green Lake County. Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Crawfish River At Milford affecting Jefferson County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. ...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Fort Atkinson. * WHEN...Until early Thursday afternoon. * IMPACTS...At 17.0 feet, Floodwaters are in the back yards of some homes on Rogers Street on the northeast side of Fort Atkinson and water surrounds a few homes and businesses at the end of Vets Lane near the intersection of Hwy 106 and Blackhawk Island Rd. These roads are flooded in the Fort Atkinson area: Sinissippi Drive, Vets Ln, Fox Hill Rd, Bark River Road from Kutz Road to Rock River Road, Rock River Rd from Milwaukee Ave E to Hwy 106, North Shore Rd, Ralph Rd. The river walkway in Fort Atkinson becomes flooded. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 17.2 feet. - Bankfull stage is 14.5 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Saturday was 17.3 feet. - Forecast...The river is expected to fall below flood stage Thursday morning and continue falling to 15.3 feet Saturday, May 02. - Flood stage is 16.0 feet. - Flood History...This crest compares to a previous crest of 17.2 feet on 03/24/2019. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued this morning at 1115 AM CDT.

Event: Flood Warning Certainty: Observed Category: Met

Flood Warning issued April 25 at 10:09AM CDT until May 2 at 7:00AM CDT by NWS Milwaukee/Sullivan WI

Jefferson, WI; Rock, WI Apr 25, 10:09 AM - Apr 25, 10:15 PM
Severity: Severe Urgency: Immediate

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Jefferson affecting Jefferson County. Fox River Near Berlin affecting Green Lake County. Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Crawfish River At Milford affecting Jefferson County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. ...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River near Lake Koshkonong. * WHEN...Until Saturday, May 02. * IMPACTS...At 11.3 feet, There is knee-deep water over Blackhawk Island Road. Lamp Road on west side of river also becomes flooded. Lake Koshkonong merges with Mud Lake to the east of Lake Koshkonong. * ADDITIONAL DETAILS... - At 8:00 AM CDT Saturday the stage was 11.4 feet. - Bankfull stage is 9.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:00 AM CDT Saturday was 11.4 feet. - Forecast...The river is expected to fall below flood stage Saturday, May 02 and continue falling to 9.9 feet Saturday, May 02. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.4 feet on 03/29/2009. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued this morning at 1115 AM CDT.

Event: Flood Warning Certainty: Observed Category: Met

Flood Warning issued April 25 at 10:09AM CDT until April 28 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Jefferson, WI Apr 25, 10:09 AM - Apr 25, 10:15 PM
Severity: Severe Urgency: Immediate

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Jefferson affecting Jefferson County. Fox River Near Berlin affecting Green Lake County. Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Crawfish River At Milford affecting Jefferson County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. ...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Rock River at Jefferson. * WHEN...Until Tuesday evening. * IMPACTS...At 11.0 feet, Floodwaters affect low lying areas of residential and business property in Jefferson. Water approaches the intersection of Highway 26 (Main St) and County Road N (E Dane St). S Center Ave near the river flooded and Riverview Drive near the wastewater plant flooded. Park is flooded. The retention pond at S Main St and E Dane St is full. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 11.2 feet. - Bankfull stage is 8.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Saturday was 11.3 feet. - Forecast...The river is expected to fall below flood stage early Tuesday afternoon and continue falling to 8.4 feet Saturday, May 02. - Flood stage is 10.0 feet. - Flood History...This crest compares to a previous crest of 11.0 feet on 07/27/2010. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued this morning at 1115 AM CDT.

Event: Flood Warning Certainty: Observed Category: Met

Flood Warning issued April 25 at 10:09AM CDT until April 27 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Jefferson, WI Apr 25, 10:09 AM - Apr 25, 10:15 PM
Severity: Severe Urgency: Immediate

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River Near Lake Koshkonong affecting Jefferson and Rock Counties. Rock River At Jefferson affecting Jefferson County. Fox River Near Berlin affecting Green Lake County. Rock River At Newville affecting Rock County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Watertown affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Crawfish River At Milford affecting Jefferson County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. ...The Flood Warning is extended for the following rivers in Wisconsin... Rock River At Fort Atkinson affecting Jefferson County. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Fox River At Princeton affecting Green Lake County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Crawfish River at Milford. * WHEN...Until Monday evening. * IMPACTS...At 7.0 feet, There is widespread flooding of lowland and agricultural land. There is widespread flooding of roads in Riverbend Campground about 5 miles upstream of Milford. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 7.5 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 9:00 AM CDT Saturday was 7.7 feet. - Forecast...The river is expected to fall below flood stage Monday morning and continue falling to 5.0 feet Saturday, May 02. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.5 feet on 03/26/2011. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Even 6 inches of fast-moving flood water can knock you off your feet and a depth of 2 feet will float your car. Never try to walk, swim, or drive through such swift water. If you come upon flood waters, stop, turn around and go another way. Additional information is available at www.weather.gov. The next statement will be issued this morning at 1115 AM CDT.

Event: Flood Warning Certainty: Observed Category: Met

Flood Warning issued April 25 at 4:36PM CDT until April 27 at 7:00PM CDT by NWS Milwaukee/Sullivan WI

Jefferson, WI Apr 25, 04:36 PM - Apr 26, 04:45 AM
Severity: Severe Urgency: Immediate

...The Flood Warning continues for the following rivers in Wisconsin...Illinois... Rock River At Newville affecting Rock County. Rock River Near Lake Koshkonong affecting Rock and Jefferson Counties. Rock River At Fort Atkinson affecting Jefferson County. Rock River At Afton affecting Rock and Winnebago Counties. Rock River At Jefferson affecting Jefferson County. ROCK RIVER near LEBANON-3 E-HWY MM BRIDGE affecting Dodge County. Fox River Near Berlin affecting Green Lake County. Crawfish River At Milford affecting Jefferson County. Fox River Lower Near New Munster affecting Kenosha and Lake Counties. ...The Flood Warning is cancelled for the following rivers in Wisconsin... Rock River At Watertown affecting Jefferson County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Crawfish River at Milford. * WHEN...Until Monday evening. * IMPACTS...At 7.0 feet, There is widespread flooding of lowland and agricultural land. There is widespread flooding of roads in Riverbend Campground about 5 miles upstream of Milford. * ADDITIONAL DETAILS... - At 4:00 PM CDT Saturday the stage was 7.5 feet. - Bankfull stage is 5.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 PM CDT Saturday was 7.6 feet. - Forecast...The river is expected to fall below flood stage Monday morning and continue falling to 5.0 feet Saturday, May 02. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.5 feet on 03/26/2011. - http://www.weather.gov/safety/flood

Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 545 PM CDT.

Event: Flood Warning Certainty: Observed Category: Met