652 FXUS63 KGID 051808 AFDGIDArea Forecast Discussion National Weather Service Hastings NE 108 PM CDT Sun Oct 5 2025
.KEY MESSAGES...
- A cold front passage this morning will bring scattered storms to the area this afternoon and overnight tonight. The best potential lies towards the southeast, though all areas will have at least a small chance (>35%) at receiving precipitation sometime in the night (some southeastern location could see up to 1-2" of precip).
- The strongest of storms, a few potentially severe (producing up to quarter sized hail and 60MPH wind gusts), will fall between mainly 4PM to midnight. A Marginal Risk of severe weather lies across areas southeast of a line from Phillipsburg, Kansas to Geneva, Nebraska.
- Cooler temperatures Monday will peak in the mid 50s to low 60s, warming into the 60s to low 70s TUE/WED and up to the mid 70s to low 80s the remainder of the week.
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.DISCUSSION... Issued at 403 AM CDT Sun Oct 5 2025
Today through Monday Morning...
This morning a cold front is in the process of passing through the area from west to east, replacing the gusty southerlies ahead of the front (gusting up to 35MPH) with less breezy northerlies behind (gusts only up to 15-25MPH). Beyond the shift in winds, cooler and drier air will also seep down into the region. In addition, a few lingering showers along the front will be expected to clear up quickly this morning before more storms refire later today along the boundary. Highs will span anywhere from the low to mid 70s for areas northwest of the Tri-Cities (places where the front passes through earlier in the morning) up to the 80s for north central Kansas and places in Nebraska near and east of HWY-281.
The front later this afternoon is expected to slow down across our north central Kansas to eastern Nebraska areas, offering a broad zone of convergence. Storms will develop along this baroclinic boundary in the afternoon and evening, forming a somewhat-linear southwest to northeast oriented feature/cluster. The best chances for where these initial storms will fire (50-80%) generally lie along and southeast of a line from Rooks to York counties shortly after 4PM.
Though lapse rates behind the front are not expected to be overly impressive, some elevated instability (500-1000J of MUCAPE) with decent bulk shear (35-50kts) from the mid-to-upper level jet axis aloft, may be all that is needed to produce a few stronger to marginally severe storms. The SPC has kept our southeastern locations (areas mainly southeast of a line from Phillipsburg, KS up to Geneva, NE) included in a marginal risk. The strongest storms of the night should occur before midnight. An expanding coverage of showers and more elevated storms will expand northwestward behind the front through the rest of the night with precipitation chances continually increasing through early Monday morning.
The expansive coverage of these overnight storms and showers may continue on through the first half of Monday, depositing at least a few hundredths of precipitation in most if not all areas. The peak precipitation amounts will be concentrated towards the southeast with an expected band of 1-2" of rainfall across portions of our southeastern Nebraska areas (primarily Thayer county) and our southeastern Kansas areas (primarily Jewell and Mitchell counties).
The Remainder of the Week...
After the last bands of showers/storms move out of the area Monday afternoon, cloudy skies and the northerly winds will stick around keeping temperatures from exceeding the mid 60s. Highs in most locations Monday should reside between the mid 50s to low 60s. A few residual precipitation chances (20-40%) off towards the southeast (areas closer to the front just then leaving eastern Nebraska and central Kansas) will remain in place Monday night. A few hundredths of precipitation may be accumulated to these places that may of already receive 1-2" from the night prior.
Aloft, flow behind the trough that controlled the precipitation chances and gusty winds over the weekend, will return back to a zonal orientation overnight Monday. Pressure underneath will raise back behind the front, allowing steady winds to return to a southerly direction.
Highs Tuesday and Wednesday are expected to remain in the 60s to low 70s before jumping up to the mid 70s to low 80s trough the rest of the week. A few storm/shower remnants from late light convection may lift up from western and central Kansas late Tuesday night to Wednesday morning (20-25% chance) with a few more passing storms potentially clipping parts of eastern Nebraska Wednesday night (15- 20% chance). Beyond then, the forecast through the rest of the week is dry.
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.AVIATION /18Z TAFS THROUGH 18Z MONDAY/... Issued at 1259 PM CDT Sun Oct 5 2025
For KGRI/KEAR Airports:
Complex TAF period with multiple potential impacts: Wind shift this afternoon, gusty N winds this evening, scattered showers/storms tonight into Monday AM and MVFR to IFR CIGs.
Rest of today: Cold front is moving through the terminal space now, turning winds from SW to W to NW. Should see a temporary decr in speeds, but expect them to incr again late aftn into the eve with stronger surge of cooler air. SCT-BKN clouds around 4-6K ft will prevail along the front. Confidence: High.
Tonight: Expect iso-scat showers and weak storms to develop N of the front, esp in the 03-06Z time frame. Best chance for rain will be around and after midnight. CIGs should lower as the night progresses, probably to at least MVFR levels. However, further reduction to IFR is possible after 09Z. Winds will be NNW to NNE 9-12kt, with gusts 15-20kt. Confidence: Medium.
Monday AM: Scat showers will continue into Mon AM, along with MVFR to possibly IFR CIGs. Should see rain activity decr late in the AM. Winds will be NNE-NE. Confidence: Medium.
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.GID WATCHES/WARNINGS/ADVISORIES... NE...None. KS...None.
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DISCUSSION...Stump AVIATION...Thies
NWS GID Office Area Forecast Discussion