Chalco, Nebraska 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Chalco NE
National Weather Service Forecast for:
Chalco NE
Issued by: National Weather Service WFO Omaha, NE |
Updated: 11:31 pm CDT Jul 5, 2025 |
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Tonight
 Mostly Clear
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Sunday
 Mostly Sunny
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Sunday Night
 Partly Cloudy
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Monday
 Slight Chance T-storms
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Monday Night
 Partly Cloudy then Chance T-storms
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Tuesday
 Chance T-storms
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Tuesday Night
 Chance T-storms
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Wednesday
 Slight Chance T-storms
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Wednesday Night
 Slight Chance T-storms
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Lo 66 °F |
Hi 87 °F |
Lo 67 °F |
Hi 85 °F |
Lo 67 °F |
Hi 86 °F |
Lo 67 °F |
Hi 88 °F |
Lo 68 °F |
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Tonight
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Mostly clear, with a low around 66. Northwest wind 5 to 7 mph. |
Sunday
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Mostly sunny, with a high near 87. North wind around 7 mph. |
Sunday Night
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Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening. |
Monday
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A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85. Calm wind becoming southeast around 5 mph in the afternoon. |
Monday Night
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A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday
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A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. |
Tuesday Night
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A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 67. South southeast wind around 5 mph becoming calm in the evening. |
Wednesday
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A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 7 mph in the afternoon. |
Wednesday Night
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A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Southeast wind 3 to 6 mph. |
Thursday
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Partly sunny, with a high near 88. South southeast wind 3 to 7 mph. |
Thursday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South southeast wind 5 to 7 mph becoming east northeast after midnight. |
Friday
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A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. North northwest wind 5 to 8 mph. |
Friday Night
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A chance of showers and thunderstorms. Partly cloudy, with a low around 62. North wind 5 to 8 mph. |
Saturday
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Partly sunny, with a high near 82. Northwest wind 6 to 8 mph. |
Forecast from NOAA-NWS
for Chalco NE.
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Weather Forecast Discussion
368
FXUS63 KOAX 060033
AFDOAX
Area Forecast Discussion
National Weather Service Omaha/Valley NE
733 PM CDT Sat Jul 5 2025
.KEY MESSAGES...
- Storm chances will continue this afternoon across eastern NE
and western IA, with a 5-10% chance of producing quarter-
sized hail and wind gusts up to 60 mph.
- Daily storm chances (20-30%) continue from Sunday night
through the work week. While the severe threat remains low,
repeated rounds of rainfall may lead to localized flooding
concerns.
&&
.DISCUSSION...
Issued at 302 PM CDT Sat Jul 5 2025
Today and Tomorrow:
Day Cloud Phase imagery this afternoon shows a few small clusters of
showers, storms, or general cloud deepening across a few areas of
eastern Nebraska into western Iowa, with winds shifting from the
west to north-northwesterly in direction. A recent surface analysis
depicts a frontal zone rather than a sharp cold front extending from
north-central Iowa towards northwest Kansas, pooling better
dewpoints at the surface across its southeastern periphery in Iowa.
This has resulted in surface-based CAPE values of upwards of 2500-
3000 J/kg further corroborated by the 18z KOAX sounding. The
afternoon sounding depicts steep low-level lapse rates, that join
the broad wind shift locally to bring the return of small funnel
chances to the area, that could briefly form with a sufficiently
strong storm. Chances for an actual tornado remain squarely in the
little-to-none category owing mainly to the lack of sheared
flow and stream wise vorticity that is a result of a crumpled
hodograph. Looking at severe chances otherwise, we have a 10-15%
chance to see one of the areas of convection blossom briefly
into a severe storm by taking full advantage of the available
CAPE and then quickly collapsing, throwing out a gust up to 60
mph and a few 1" hail stones as it dies. Surface moisture
decreases as you go to the northwest, meaning the best chances
for any storm to warrant a warning exist southeast of a line
from Schuyler to Onawa. Expect the current bands of deeper
clouds and storms to continue moving slowly to the southeast,
with the Omaha/Lincoln Metro areas seeing their best storm
chances arrive closer to 5 PM lasting through 7 PM. While the
latest runs of CAMs aren`t handling the ongoing convection well,
they do indicate that areas of storms will begin shrinking as
we lose our better daytime heating around 7 PM before fully
diminishing/moving to the southeast by 10 PM.
Tomorrow is expected to remain dry as northerly winds, high
pressure, and less muggy dewpoints settle into the area. Shower and
storm chances won`t be too far, with model consensus showing some
convection along the central South Dakota/Nebraska border and
points west for the afternoon hours that should dissipate as
they approach. Highs are expected to reach the low-to-mid 80s,
and an afternoon MCS that starts across western Nebraska will
plow southeast through much of southwest into south-central
Nebraska along a theta-e gradient that will steer it south and
west of the Fairbury area in our extreme southwestern portion of
the forecast area into the overnight hours.
Monday and Beyond:
Monday heading towards the weekend continues to feature an active
pattern in the global deterministic models, marked by a building
ridge that we`ll be on the extreme northwestern portions of. This
will queue up another week of weakly-forced convective setups that
will be tough to pin down until 24-48 hours until they start. Both
GEFS and ECMWF ML guidance indicates that we`ll have some chance at
severe storms during this period, tough intensity will likely be on
the low end, and favor flooding moreso if we can get repeated rounds
of rain. Highs during the upcoming are expected to max out in the
upper 80s to low 90s, keeping the summer vibes in full swing before
signals point to a slight cool down into the 70s/low 80s late this
upcoming weekend into early next week.
&&
.AVIATION /00Z TAFS THROUGH 00Z MONDAY/...
Issued at 733 PM CDT Sat Jul 5 2025
Storm coverage will diminish this evening with VFR conditions
expected through the period. Expect northerly winds to become
northeasterly and remain light on Sunday, with some clouds
around 3000-6000 ft agl through the day.
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...None.
IA...None.
&&
$$
DISCUSSION...Petersen
AVIATION...CA
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