Local weather forecast

Weather in Mankato, KS

Updated 2026-09-26 10:00 local time · ZIP codes 66956

Patchy rain nearby
Now65°F

Patchy rain nearby

High / Low83° / 61°
Rain chance58%
Wind14 mph
Weather alerts

Active alerts

3
Flood Advisory issued September 26 at 5:06AM CDT until September 26 at 1:00PM CDT by NWS Hastings NE

* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Central Jewell County in north central Kansas... Northwestern Mitchell County in north central Kansas... Northeastern Osborne County in north central Kansas... Southeastern Smith County in north central Kansas... * WHEN...Until 100 PM CDT Saturday. * IMPACTS...Minor flooding in low-lying and poor drainage areas. River or stream flows are elevated. * ADDITIONAL DETAILS... - At 504 AM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. Between 2.5 and 4.5 inches of rain have fallen. - Flooding impacts will continue, but no additional rainfall is expected. - Some locations that will experience flooding include... Osborne, Downs, Mankato, Cawker City, Glen Elder, Jewell, Burr Oak, Ionia, Webber, Montrose and Lovewell State Park.

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.

Flash Flood Warning issued September 26 at 12:56AM CDT until September 26 at 5:15AM CDT by NWS Hastings NE

At 1256 AM CDT, Doppler radar and automated rain gauges indicated a swath of heavy rain from thunderstorms Friday evening across the warned area. Between 2.5 and 4.5 inches of rain have fallen. Additional rainfall amounts up to 0.1 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations that will experience flash flooding include... Osborne, Downs, Mankato, Cawker City, Glen Elder, Jewell, Burr Oak, Portis, Ionia, Webber, Montrose and Lovewell State Park.

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Flash Flood Warning issued September 25 at 11:18PM CDT until September 26 at 5:15AM CDT by NWS Hastings NE

FFWGID The National Weather Service in Hastings has issued a * Flash Flood Warning for... Jewell County in north central Kansas... Northwestern Mitchell County in north central Kansas... Central Osborne County in north central Kansas... Southeastern Smith County in north central Kansas... * Until 515 AM CDT. * At 1118 PM CDT, Doppler radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 2 and 4 inches of rain have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Osborne, Downs, Mankato, Cawker City, Glen Elder, Jewell, Burr Oak, Portis, Esbon, Ionia, Webber, Montrose and Lovewell State Park. The heaviest rain amounts near 4 inches are from near Downs northeastward into far southwest Jewell County.

Safety instructions

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.

Hourly

Next hours

NowPatchy rain nearby65°19% rain
11 AMPatchy rain nearby70°21% rain
12 PMPatchy rain nearby72°16% rain
1 PMPatchy rain nearby75°12% rain
2 PMSunny79°3% rain
3 PMSunny80°2% rain
4 PMSunny81°1% rain
5 PMSunny82°1% rain
6 PMSunny80°2% rain
7 PMSunny83°3% rain
8 PMClear80°3% rain
9 PMClear78°3% rain
Forecast

3-day weather forecast

Today2026-09-26
Sunny
83° 61°Sunny
Rain 58%Gust 15 mph
Tomorrow2026-09-27
Sunny
79° 66°Sunny
Rain 9%Gust 12 mph
Monday2026-09-28
Overcast
83° 64°Overcast
Rain 69%Gust 12 mph
Conditions

Weather details

Feels like60°F
Humidity83%
Pressure29.90 inHg
Visibility6 mi
Wind14 mph S
Wind gusts24 mph
Precipitation0.00 in
UV index2
Daylight

Sunrise, sunset and moon

Sunrise07:24 AM
Sunset07:23 PM
Moonrise07:14 PM
Moon phaseFull Moon
Next 24 hours

Key weather changes ahead

Warmest hour7 PM · 83°F
Coolest hour10 AM · 65°F
Highest rain chance11 AM · 21%
Strongest gusts10 AM · 24 mph
Practical guide

Weather insights for today

Umbrella not essential

Rain chance stays relatively low over the next 12 hours (up to 21%).

Light layers should work

It feels like 60°F with winds near 14 mph.

Best window: 6 PM

80°F, 2% rain chance and 7 mph wind.

Driving conditions look generally normal

Visibility is around 6 mi; gusts may reach 24 mph.

Good conditions for an easy run

Current temperature is 65°F, wind 14 mph, rain chance up to 21%.

Low UV protection needs

UV index is 2.

Local weather characteristics in Mankato

Kansas weather is highly variable, with hot summers, cold outbreaks in winter, strong winds and a significant risk of severe thunderstorms and tornadoes in spring and early summer.

Mankato is part of the Midwest weather region. The forecast point is near 39.79°N latitude and 98.21°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.

Mankato weather today

Patchy rain nearby and 65°F in Mankato, KS. Today's high is 83°F with a 58% rain chance. Winds are around 14 mph with gusts near 24 mph. Relative humidity is 83%, pressure is 29.90 inHg, and visibility is about 6 miles.

Tonight and tomorrow in Mankato

Sunrise is at 07:24 AM and sunset is at 07:23 PM. Tomorrow's forecast calls for Sunny with a high near 79°F and a low near 66°F. The maximum rain chance is 9%.

Nearby

Weather near Mankato

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