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Montello, WI Weather Forecast

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Overcast

64°F

Updated	1:30 pm
Feels Like	59°F
Humidity	93%
Wind	S 14 mph
Barometer	29.75 in
Dew Point	62°F

Overcast

18°C

Updated	1:30 pm
Feels Like	15°C
Humidity	93%
Wind	S 23 km/h
Barometer	100.7 kPa
Dew Point	17°C

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Cloud Cover	100%
uv UV Index	1
Sunrise	6:36 AM
Sunset	4:45 PM
Moonrise	12:26 AM
Moonset	2:08 PM

Civil Twilight
6:03 AM to 6:33 AM
4:45 PM to 5:15 PM
Montello WI Weather - Waning Crescent Moon

Waning Crescent Moon

Montello Weather Forecast

REST OF TODAY	TONIGHT	WEDNESDAY	WEDNESDAY NIGHT	THURSDAY	THURSDAY NIGHT	FRIDAY	FRIDAY NIGHT	SATURDAY	SATURDAY NIGHT	SUNDAY	SUNDAY NIGHT

Light Rain	Chance of T-Storm	Light Rain	Light Rain	Light Rain	Light Rain	Light Rain	Partly Cloudy	Mostly Sunny	Partly Cloudy	Light Rain	Mostly Clear
Hi: 65°FHi: 18°C	Lo: 55°FLo: 13°C	Hi: 61°FHi: 16°C	Lo: 45°FLo: 7°C	Hi: 55°FHi: 13°C	Lo: 35°FLo: 2°C	Hi: 49°FHi: 9°C	Lo: 29°FLo: -2°C	Hi: 51°FHi: 11°C	Lo: 31°FLo: -1°C	Hi: 59°FHi: 15°C	Lo: 31°FLo: -1°C
POP: 80%	POP: 100%	POP: 90%	POP: 70%	POP: 90%	POP: 30%	POP: 20%				POP: 20%

POP = Probability of Precipitation.

Weather Outlook Updated: 1232 PM CST Tue Nov 03 2026 Montello, WI Weather - WeatherWorld.com

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Issued: 544 AM CST Tue Nov 3 2026

Key Messages

Off and on periods of rain along with a few isolated storms continue into Wednesday morning.
Hit and miss showers linger Wednesday afternoon into Thursday.
Drier and cooler conditions Friday into Saturday.

Aviation

... Issued 545 AM CST Tue Nov 3 2026

Ceiling have lifted to above 1 kft this morning resulting in more widespread MVFR ceilings, but pockets of IFR still linger around a few southern WI terminals. Expect the MVFR ceilings to persist through much of the day into this evening....

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Weather 101: Term of the Day

Capping Inversion

Alternate term for Cap; a layer of relatively warm air aloft, usually several thousand feet above the ground, which suppresses or delays the development of thunderstorms. Air parcels rising into this layer become cooler than the surrounding air, which inhibits their ability to rise further and produce thunderstorms. As such, the cap often prevents or delays thunderstorm development even in the presence of extreme instability. However, if the cap is removed or weakened, then explosive thunderstorm development can occur. The cap is an important ingredient in most severe thunderstorm episodes, as it serves to separate warm, moist air below and cooler, drier air above. With the cap in place, air below it can continue to warm and/or moisten, thus increasing the amount of potential instability. Or, air above it can cool, which also increases potential instability. But without a cap, either process (warming/moistening at low levels or cooling aloft) results in a faster release of available instability - often before instability levels become large enough to support severe weather development.