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Marine Weather and Tide Forecast for Cheyenne Wells, CO

July 26, 2024 6:43 PM CDT (23:43 UTC) Change Location
Sunrise 6:40 AM   Sunset 8:59 PM
Moonrise 11:18 PM   Moonset 11:50 AM 
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NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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7 Day Forecast for Marine Location Near Cheyenne Wells, CO
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Area Discussion for - Goodland, KS
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FXUS63 KGLD 262322 AFDGLD

Area Forecast Discussion National Weather Service Goodland KS 522 PM MDT Fri Jul 26 2024

KEY MESSAGES

- A prolonged heat wave will affect northwest Kansas and southwest Nebraska next week, beginning on Sunday. High temperatures are likely to reach or exceed 100 degrees each day. Temperatures and heat indices approaching 105 to 110 degrees are expected on Tuesday and Wednesday.

- An isolated shower or thunderstorm could impact northeast Colorado this evening.

- 20% to 30% chance for thunderstorms Saturday evening, mainly in eastern Colorado and adjacent Kansas-Nebraska border areas.

UPDATE
Issued at 220 PM MDT Fri Jul 26 2024

Quick update to the going forecast for this evening to add in a 15-20% chance for an isolated shower or storm to clip western portions of Kit Carson, Yuma and Cheyenne counties. Regional radar showing some convection getting going near the I-25 corridor with a slow movement east to our colorado counties this evening. Current CAMs (HRRR/NamNest) show most of the activity dissipating before entering the western CWA, but some residual rw/trw could drift into the area later.

SHORT TERM /THROUGH SUNDAY NIGHT/
Issued at 1215 PM MDT Fri Jul 26 2024

Overview: An upper level ridge presently extending NE from the Desert Southwest to the Northern Plains will weaken and erode today into Saturday as troughing /cyclonic flow/ aloft..
extending southward from a vertically stacked low in western Canada (Alberta-Saskatchewan).. envelopes the northern and central Rockies. Re-amplification of the aforementioned ridge (over the Desert Southwest and Southern-Central Plains) will follow, Sun-Sun night.

Today-Tonight: Expect sensible weather conditions similar to yesterday, albeit noticeably breezier.. in response to a tightening MSLP-850mb height gradient /strengthening low-level southerly flow/ on the eastern periphery of a developing lee trough in Colorado.. and effective downward momentum transport associated with strong insolation and robust vertical mixing. A 41 mph southerly wind gust was measured at NWS Goodland (KGLD)
at 11:39 am MDT / 1739 UTC.

Sat-Sat night: A short-lived pattern transition is expected in this period as the southern fringe of the mid-latitude westerlies further erode
and briefly supplant
the aforementioned ridge over the region. Such a flow regime is relatively more supportive of [1] daily/diurnal lee cyclone development and [2] scattered convective development (mainly in climatologically/topographically favored locations). Expect temperatures similar to today.. along with a potential for scattered late afternoon and evening convection, mainly in eastern Colorado and adjacent KS border areas. Confidence remains below average with regard to convective development, coverage and eastern extent.

Sun-Sun night: Guidance suggests that re-amplification of the central CONUS ridge, associated height rises and northward regression of the mid-latitude westerlies will commence on Sunday. Expect dry conditions and warmer temperatures with highs reaching or exceeding 100F across the majority of the area.

LONG TERM /MONDAY THROUGH FRIDAY/
Issued at 103 PM MDT Fri Jul 26 2024

The latest runs of the GFS and ECMWF continue to show a persistent zonal flow aloft at least Monday through Wednesday, before re- amplification of 500 ridge into the Rockies. The result will be a shift to northwest flow aloft.

850 mb temps for the Mon-Wed timeframe are expected to peak in the +30c to +36c range. This will result in above normal hot and very dry conditions area-wide through downslope warming. At the surface there is a weak trough meandering through the CWA, settling south of the area on Thursday/Friday. This boundary will interact with a weak shortwave moving over the area on the eastern side of the upper ridge. Increased low level moisture and upslope flow on SE winds will allow for the western CWA to see 15-20% chance for rw/trw.

Model soundings next Friday have inverted-v profiles to around 600mb, suggesting wind should be the main threat should any storms do form as lower levels will be very dry. PW values now at least an inch could bring about a brief local downpour. If any hail does occur it should be at the onset as the drier air should melt down any potential large stones.

Along with the above normal heat expected, the other concerns for the Tri State region will be fire weather danger. The persistent day- by-day drying of the region with lack of any appreciable moisture through at least midweek, will bring about RH readings Monday- Wednesday mainly in the lower to mid teens. The main areas seeing this will be along/west of Highway 25. East of this, locales will only reach into the upper teens to mid 20s for readings. While RH will be hitting criteria for many through midweek, winds will not be. There still will be elevated to near critical concerns despite this due to the persistent drying effects over a 72 hour period making fuels much easier to start/burn.

For temps, above normal, hot daytimes highs are expected area-wide for the upcoming week. On Monday, the area will see a range from the upper 90s into the lower 100s. For Tuesday, lower to mid 100s expected. Some locales east of Highway 25 could see upper 100s.
Going into Wednesday, another round of lower to mid 100s. Going into Thursday and Friday, mainly mid to upper 90s w/ some spots Thursday afternoon around 100F.

With these hot temperatures, heat indices are also expected to make an impact across the CWA The latest guidance has brought in slightly drier air, but readings could still approach 105-100F, especially east of Highway 25. Areas east during the overnight may also have high readings as well.

Each afternoon, the hottest areas will be in locales along/east of Highway 25. With these hot temperatures, near record/record readings are possible. Please refer to the Climate section below for further information.

Overnight lows most nights will range in the 60s. A few nights will have areas along/east of Highway 25 around 70F, even into the lower 70s.

AVIATION /00Z TAFS THROUGH 00Z SATURDAY/
Issued at 514 PM MDT Fri Jul 26 2024

VFR conditions are expected to prevail through the period, as will south-southeasterly winds. 0-9Z, wind gusts are expected to slowly weaken, eventually slowing to under 20 kts, before picking back up after sunrise. The smokey haze near KMCK is expected to continue lifting, although it's being a lot slower than originally forecast. By 6Z, guidance is showing 6+ SM visibility, until then, it looks to hover around 6SM. Through around 6Z, some showers and storms will be decaying in eastern Colorado, which could produce an outflow boundary that would impact KGLD. Impacts would just be a brief spell of variable and gusty winds.

CLIMATE
Issued at 115 AM MDT Fri Jul 26 2024

July 29 High Temperature Records (F):

Goodland......104 in 1947 McCook........109 in 1947 Burlington....100 in 2012 Hill City.....108 in 1917

July 30 High Temperature Records (F):

Goodland......106 in 1935 McCook........105 in 2002 Burlington....101 in 2012 Hill City.....109 in 1976

July 31 High Temperature Records (F):

Goodland......105 in 2002 McCook........107 in 2002 Burlington....102 in 2002 Hill City.....113 in 1934

Goodland has the potential for 5 consecutive days of highs of 100+ degrees which would tie it for the 14th longest on record.
Last time this happened was July of 2012.

McCook is also currently forecasted at 5 consecutive days of 100+ degree temperatures which would tie it for 20th all time.
However a few days of overachieving temperatures could put them in the top 6 all time.

GLD WATCHES/WARNINGS/ADVISORIES
KS...None.
CO...None.
NE...None.




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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KITR KIT CARSON COUNTY,CO 24 sm50 minSE 22G3210 smClear91°F29.95


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