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James Lake, MO Weather Forecast

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Overcast

66°F

Updated	4:45 am
Feels Like	61°F
Humidity	100%
Wind	N 7 mph
Barometer	29.93 in
Dew Point	66°F

Overcast

19°C

Updated	4:45 am
Feels Like	16°C
Humidity	100%
Wind	N 11 km/h
Barometer	101.3 kPa
Dew Point	19°C

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Cloud Cover	100%
uv UV Index	4
Sunrise	7:04 AM
Sunset	7:19 PM
Moonrise	4:24 PM
Moonset	12:33 AM

Civil Twilight
6:34 AM to 7:01 AM
7:19 PM to 7:46 PM
James Lake MO Weather - Waxing Gibbous Moon

Waxing Gibbous Moon

James Lake Weather Forecast

REST OF TONIGHT	SUNDAY	SUNDAY NIGHT	MONDAY	MONDAY NIGHT	TUESDAY	TUESDAY NIGHT	WEDNESDAY	THURSDAY	THURSDAY NIGHT	FRIDAY	SATURDAY

Chance of T-Storm	Chance of T-Storm	Chance of Showers	Chance of Showers	Mostly Cloudy	Mostly Cloudy	Partly Cloudy	Partly Cloudy	Chance of Showers	Mostly Cloudy	Mostly Cloudy	Chance of Showers
Lo: 69°FLo: 21°C	Hi: 71°FHi: 22°C	Lo: 60°FLo: 16°C	Hi: 61°FHi: 16°C	Lo: 55°FLo: 13°C	Hi: 61°FHi: 16°C	Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C	Hi: 61°FHi: 16°C Lo: 49°FLo: 9°C	Hi: 65°FHi: 18°C	Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C	Hi: 69°FHi: 21°C Lo: 55°FLo: 13°C	Hi: 71°FHi: 22°C
POP: 70%	POP: 40%	POP: 50%	POP: 50%					POP: 40%			POP: 30%

POP = Probability of Precipitation.

Weather Outlook Updated: 127 AM CDT Sun Sep 20 2026 James Lake, MO Weather - WeatherWorld.com

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Meteorlogic Glosserator
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Issued: 122 AM CDT Sun Sep 20 2026

Key Messages

Additional Rain Shower Activity Today, More Possible Monday
Cooler Temperatures This Week

Discussion

... Issued at 122 AM CDT Sun Sep 20 2026

As of 07z this morning the surface cold front is located from near Manhattan KS to southeast Iowa. The main convective complex became outflow dominant, but additional mid-level height falls and strengthening low-level jet has allowed more thunderstorm to activity to develop on both sides of the cold front. A few strong cores are still possible wit...

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Weather 101: Term of the Day

Severe Thunderstorm Watch

This is issued by the National Weather Service when conditions are favorable for the development of severe thunderstorms in and close to the watch area. A severe thunderstorm by definition is a thunderstorm that produces one inch hail or larger in diameter and/or winds equal or exceed 58 miles an hour. The size of the watch can vary depending on the weather situation. They are usually issued for a duration of 4 to 8 hours. They are normally issued well in advance of the actual occurrence of severe weather. During the watch, people should review severe thunderstorm safety rules and be prepared to move a place of safety if threatening weather approaches. A Severe Thunderstorm Watch is issued by the Storm Prediction Center in Norman, Oklahoma. Prior to the issuance of a Severe Thunderstorm Watch, SPC will usually contact the affected local National Weather Service Forecast Office (NWFO) and they will discuss what their current thinking is on the weather situation. Afterwards, SPC will issue a preliminary Severe Thunderstorm Watch and then the affected NWFO will then adjust the watch (adding or eliminating counties/parishes) and then issue it to the public by way of a Watch Redefining Statement. During the watch, the NWFO will keep the public informed on what is happening in the watch area and also let the public know when the watch has expired or been cancelled.