77°F
Updated:
7/31/2026
12:40:26pm
Forecast Discussion
NWS Omaha/Valley, NE
043 FXUS63 KOAX 311725 AFDOAX Area Forecast Discussion National Weather Service Omaha/Valley NE 1225 PM CDT Fri Jul 31 2026 .KEY MESSAGES... - A line of strong storms will exit the area by 4 AM Friday. A few could produce gusty winds and heavy rain across far southeast Nebraska and southwest Iowa. - Slightly cooler Friday into the weekend, with highs mostly in the lower to mid 80s. - Periodic shower and storm chances return by late Monday night into Tuesday and linger through the week. && .DISCUSSION... Issued at 1237 AM CDT Fri Jul 31 2026 Still some stronger storms working their way through the area with some 40-50+ mph gusts, but the severe weather threat is generally waning as outflow continues to surge southeastward ahead of the line. Storms should exit the area by 3-4 AM with guidance and satellite imagery hinting that we see a little patchy fog and low cloud development behind them as the anvil clears out into Friday morning. We`ll remain under cyclonic flow aloft and on the back side of a surface low over IA through the day, with guidance suggesting potential for a few spotty showers, but nothing too impactful from that standpoint. Perhaps more noteworthy will be the strong northerly winds. Model soundings suggest at least 40+ kts at the top of the mixed layer. In addition, EPS guidance shows mean wind gusts of 40-50 mph with a 10-20% chance of exceeding 50 mph. Really it will come down to how deep we`re able to mix, and given the expected cloud cover and precip, lean toward shallower mixing and slightly lighter winds, but still expect 40+ mph gusts at times. Current forecast has a few counties sitting right around Wind Advisory criteria, but given lower confidence in degree of mixing, going to hold off for now. Otherwise, we`ll be much cooler with highs in the mid 70s to lower 80s. Saturday will remain mild with dry weather expected as the trough/low push farther east and surface high pressure builds in. We`ll start to warm back up Sunday with strengthening southerly flow on the back side of the high and upper level ridging building back in. Expect highs in the 80s to around 90 on Sunday, followed by mid 80s to mid 90s on Monday. By Monday night into Tuesday, we`ll start to see influence of a larger scale trough to our north while a cold front starts edging southward. Still a decent amount of spread on exact timing of when that front gets here, but when it does, it`ll bring our next chance of showers and storms. Guidance also suggests it stalls over or just south of the forecast area, while several bits of shortwave energy slide through through the end of the week. So in general, expect a somewhat active week with on and off shower and storm chances with temperatures in the 80s in the northern part of the area and 90s in the south. Machine learning severe weather guidance also suggests at least some low end severe storm chances at times (5-10%), but still lots of details to work out between now and then. && .AVIATION /18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1210 PM CDT Fri Jul 31 2026 MVFR cigs have built back into the area today from north to south with overcast skies at FL020. Strong NW winds are generally gusting near 20 knots and are expected to peak at 30-35 knots this afternoon and evening. Cigs will improve to VFR conditions around 22Z this afternoon as they slowly lift. Winds will peak around the same time before slowing after dark. && .OAX WATCHES/WARNINGS/ADVISORIES... NE...None. IA...None. && $$ DISCUSSION...CA AVIATION...Nicolaisen
NWS OAX Office Area Forecast Discussion
Forecast Discussion
NWS Hastings, NE
066 FXUS63 KGID 311739 AFDGID Area Forecast Discussion National Weather Service Hastings NE 1239 PM CDT Fri Jul 31 2026 .KEY MESSAGES... - Other than perhaps a few spotty light showers/sprinkles mainly north of I-80 this morning, today kicks off what should be four-straight days of effectively "guaranteed dry" weather lasting through Monday. - By late-July/mid-summer standards, today will be quite breezy (some will say windy)...with north winds commonly sustained 15-25+ MPH/gusts 25-35+ MPH. - Those same north winds will usher in somewhat drier/less humid air over the next few days, as we MERCIFULLY wave goodbye to our recent stretch of dewpoints well into the 70s (and even low 80s!)...with dewpoints most of the next several days topping out "only" 60s, and perhaps even dropping into the 50s especially in western counties Sunday-Monday. - Temperature-wise: Readings these next several days will generally average "near-normal" for late-July/early-August with most places topping out somewhere mid 80s-low 90s, and overnight lows mainly 60s. A few of the cooler days with highs only low-80s at most (mainly north) look to be today and Wednesday, while one of the warmer days with more of the area into low-mid 90s looks to be Monday. - Precip-wise: Following our upcoming dry stretch, intermittent chances for showers/thunderstorms re-enter the picture Tues- Thurs. Far too soon to decipher details, but an early glance at instability/shear suggests at least limited severe potential. && .UPDATE... Issued at 448 AM CDT Fri Jul 31 2026 -- FORECAST CHANGES OF NOTE/BIG PICTURE COMMENTS: - Honestly, no changes of note really stand out. In the "minor details" department, high temps through Monday were trended up very slightly from previous (a few degrees at most), while highs for Wednesday actually came down 2-4 degrees. - From a big picture/upper air perspective: Our dry weather through Monday will be driven by our Central Plains region residing under benign northerly flow aloft...directed between a large-scale ridge/high centered over the Desert Southwest...and a large-scale trough/low dominating the eastern half of the nation. By Tuesday into mid-week, our return of rain/thunderstorm chances is driven by a shortwave trough tracking across southern Canada and the northern tier of the U.S...effectively "flattening" the highly amplified pattern and placing our region back under quasi-zonal (generally westerly) flow aloft...and back in the path of periodic disturbances passing through. -- FOCUSING SOLELY ON THE SHORTER/TERM NEXT 48 HOURS (through Sat night/early Sun AM): - CURRENT/RECENT WEATHER SCENE AS OF 4 AM: As was expected, a fairly expansive/cohesive line of thunderstorms tracked across the majority of our forecast area (CWA) from northwest-to-southeast mainly between 730 PM-1 AM. Fortunately, if anything this convection (thankfully) "underperformed" in terms of severe weather (namely severe wind) potential, with the vast majority of measured gusts on many dozen area stations topping out no higher than 40-55 MPH. There were only a handful of severe-criteria 58+ MPH gusts...two of which occurred in our far northern/western counties at Ord/Lexington airports. It was honestly a "best of both worlds" outcome, with the limited severe weather AND MOST (not all) affected counties receiving fairly widespread rainfall in the 0.50-1.50" range. By far the lowest rain totals fell within counties along/south of the KS border where storms were more spotty or in some places absent altogether. Since the "main event" departed our far southeast counties around 1 AM, the vast majority of the CWA has been dry. However, a smattering of pesky showers/weak thunderstorms have developed mainly along/south of the state line, with current radar showing what might be the last of this activity for the morning in our CWA tracking through the Jewell/Mitchell counties area. In the big picture of the mid-upper levels, water vapor satellite and short term model data confirm a well-defined shortwave trough tracking east-southeast and centered from northern NE into central MN. At the surface, the primary low pressure center (around 1008 millibars) is over the SD/MN/IA border area, with a trailing cold front extending down across our CWA...marked by a shift to still-light, but evident west- northwest breezes. Cloud-wise, while skies have cleared over much of our area in the wake of departing convection, several batches of lower stratus clouds are dropping southward into our CWA out of northern NE. While some patchy (and mainly light) fog is certainly possible yet this morning here or there, there is little doubt that the arrival of somewhat drier air and light- but-steady northwest breezes should "save" us from any widespread fog issues. Low temps on track to bottom out mainly 66-71 degrees. - TODAY: Starting with the highest-confidence feature: today will be quite breezy (honestly somewhat windy) by late-July standards. In the wake of the front, much of the day will feature sustained north-northwest winds commonly 15-25+ MPH/gusts 25-35+ MPH...overall strongest over the northeast 1/2 of our CWA. On a positive note, these same north winds will "tame down" our recently very humid/soupy airmass. While not truly "refreshing" by any means, dewpoints today will average mid-upper 60s most places...certainly lower than lately. Of somewhat lower confidence are cloud cover trends, resultant temperatures and an outside shot at some very spotty light shower/sprinkle activity. For sure, at least transient/partial batches of low stratus will drop southward across much of our CWA especially this morning...and probably lingering into the afternoon especially far north and/or east. While the vast majority of shower activity should focus at least slightly northeast of our CWA today in closer proximity to the heart of the mid-level low/trough tracking southeastward into IA...a few models at least hint that a few sprinkles could catch mainly our far northern counties mainly this morning...so have gone with a "slight chance of sprinkles" mainly north of Neb Highway 92. High temps will obviously depend to some degree on how efficiently skies clear this afternoon (again general expectation is more clouds north/east and more sun south/west), but if anything have slightly nudged up highs...ranging from mainly 81-85 in our northeast half...to 84-90 in our southwest half (any low 90s mainly confined to Furnas/Phillips/Rooks/Osborne. - THIS EVENING-TONIGHT: As the upper low departs farther southeast to along the IL/MO border by sunrise Saturday, our region is looking at a quiet/dry night that should in theory by clear/mostly clear...but there are hints of some limited/random patches of low stratus still passing southward here or there. At the surface, a high pressure axis will slide down into mainly western NE as the night wears on. In turn, while the seasonably-strong daytime winds will quickly subside this evening, they will not go "truly calm" either, with northwesterly speeds most of the night 5-10 MPH. These light-but-steady breezes should keep fog from being much of an issue (and it`s not in our official forecast), but probably cannot rule out some patchy/mainly light fog here or there especially very late in the night. Temp-wise, the lower dewpoints will allow our area to have the coolest /most comfortable night in over a week...lows aimed 59-63 most places. - SATURDAY-SATURDAY NIGHT: Although still a touch breezy (not as windy as today), this simply looks like a sunny, almost guaranteed dry and (for most folks) a downright pleasant first day of August. Northerly winds will average sustained 10-15 MPH/gusts 15-20 (maybe 25 MPH mainly far east). Dewpoints will lower another notch, mixing down into the upper 50s-low 60s (lowest west). High temps were nudged up very slightly, but still only 83-87 most places and maybe tagging 90 in far southwest counties (Furnas/Phillips/Rooks). Saturday night, continued dry as light breezes generally flip around from northerly to southerly with time. Low temps very similar to perhaps very slightly cooler than Friday night, but most places again aimed a few degrees either side of 60. && .DISCUSSION... Issued at 231 PM CDT Thu Jul 30 2026 Tonight... Steady southerly winds gusting as high as 20MPH early this afternoon have helped advect in a warmer and more humid airmass today (70s to low 80s dewpoints). Despite the excessive cloud coverage for most of the day so far, temperatures still look to remain mostly on track to reach the mid 80s to low 90s for much of central Nebraska. Temperatures across some north central Kansas locations and far southwest Nebraska areas may peak as high as the mid to upper 90s today. The main story, however, will be of the potential for severe weather this evening. An upper-level shortwave trough ejecting out from eastern Colorado/Wyoming this afternoon has lead to some mid-level pressure falls as well as some vorticity and cold air advection across the region. The warming temperatures at the surface paired with cooling aloft has helped increase instability/buoyancy (up to 2,000- 3,500J/kg of MUCAPE). A 1004mb surface low deepening across central Nebraska this evening will help steer frontogenesis across central Nebraska and central Kansas. A cold front emerging from this process will in turn help develop a cluster of storms. Storms organizing into a line this afternoon, will be expected to drive southeast through much of the area between mainly 7PM and 1AM tonight. As of 2PM today, this line of storms looks to be already taking shape in cherry county in Nebraska based on the latest radar reflectivity returns and the agitated cumulus observed on satellite. A few of these storms will have the potential to become strong to severe with damaging winds being the primary concern. Given the presence of modest deep layer shear (25-40MPH) with sufficient instability and moisture, the base ingredients will be met for severe storm characteristics. Though hail up to the size of quarters may still be possible within a few of the stronger/taller storms, the high freezing levels with more unfavorable mid-level lapse rates (5- 6C/km), should generally keep the hail threat more limited tonight. In addition, though heavy downpours will be expected within several of these storms (1.5-2" PWATS), given their fairly progressive nature, the overall flooding threat should remain limited. The Storm Prediction Center now includes the full area in a slight risk (level 2 of 5) for severe weather. Friday through Wednesday... Following the exit of the storms tonight, the forecast remains dry until Tuesday night (20-50% chances for central Nebraska). This drier pattern will come as southwest U.S. ridging expands northeast into the Central Plains over the weekend. The surface low pulling east and away on Friday will leave behind gusty northerly winds that may peak as high as 30-45MPH during the afternoon. Meanwhile, drier and relatively "cooler" temperatures with keep highs peaking in the 80s for both Friday and Saturday. Higher pressure eventually settling back in over the weekend will lighten winds with directions becoming southerly again by Sunday. The start of the new week will bring warming temperatures once more with highs returning back to the mid 80s and 90s. && .AVIATION /18Z TAFS THROUGH 18Z SATURDAY/... Issued at 1226 PM CDT Fri Jul 31 2026 For KGRI/KEAR Airports: A few low-level stratus may temporarily break in and out of mainly KGRI across the next few hours. These clouds will eventually scatter out for the afternoon/evening, leaving VFR conditions in place through the remainder of the period. Winds this afternoon to early evening will continue to occasionally gust as high as 30-40kts with speeds ramping down between 23z and 4z. Wind direction will remain out of the north to northwest. && .GID WATCHES/WARNINGS/ADVISORIES... NE...None. KS...None. && $$ UPDATE...Pfannkuch DISCUSSION...Stump AVIATION...Stump
Navigation
