Dallas High Temp May 6: Will It Stay at 75°F or Below?

Dallas temperature markets move fast when a cold front shows up on short-range forecasts. The 75°F-or-below contract for May 6 is sitting at 92.5% implied probability, a figure that tells you traders have largely closed the debate. A sharp 11% move in the last hour pushed the contract to its 30-day high. That kind of late-session momentum in a one-day weather market usually means the forecast just tightened.

Here’s what the measurements are telling us: NWS Dallas-Fort Worth has been tracking a persistent upper-level trough across the Southern Plains that has suppressed temperatures well below seasonal norms. Seasonal average highs for Dallas in early May sit around 80-82°F. A market pricing 92.5% that the city stays at or under 75°F is betting that anomalous cool air holds through tomorrow afternoon. The data doesn’t care about the politics, and right now the data is firmly on the cold side.

How the 75°F-or-Below Contract Works

This contract resolves YES if the official high temperature recorded in Dallas on May 6, 2026, reaches 75°F or lower. The market resolves based on official meteorological data for the Dallas observation area. Resolution closes at 2026-05-06 12:00:00, though the actual high temperature will be recorded through the full meteorological day.

• 75°F or below (YES): Price 0.93, implied probability 92.5%. The market says cool air holds and Dallas stays capped below seasonal norms.
• 76-77°F: Still in the below-average range but outside YES territory for this specific contract.
• 78°F or higher: Spans multiple alternative contracts including 78-79°F, 80-81°F, 82-83°F, and higher brackets up to 94°F or above.

The NO side of this contract pays out if Dallas records any official high above 75°F on May 6. That requires warmer air to displace the current pattern before tomorrow afternoon. NWS Dallas-Fort Worth would need to revise its short-range forecast upward by at least 5-7°F from current model guidance. That kind of forecast bust in a 24-hour window is possible but rare when synoptic-scale forcing, meaning large atmospheric pressure systems, is well established.

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Momentum and Market Signals

The combined momentum signal here is notable. A +11.0% hourly move pushing a trend score of 69.32 in a market this close to resolution almost always traces back to a model update or a NWS forecast revision. Short-range weather models run every six hours, and an 18Z or 00Z run locking in below-75°F guidance for Dallas tomorrow would explain exactly this kind of sharp late repricing.

Total market volume sits at $47,357, with $47,106 of that arriving in the last 24 hours. Liquidity depth is $95,083. Volume under $1 million means a single large order can move this contract sharply. The fact that nearly all volume is same-day confirms this market activated only once near-term forecast data became available. Thin liquidity and high conviction are a combination that can produce fast moves in either direction if NWS issues an unexpected forecast update before resolution.

• 1h change (+11.0%) combined with trend score 69.32: Points to a recent model run or NWS forecast update that tightened the below-75°F signal for Dallas tomorrow.
• 24h volume ($47,106) versus total volume ($47,357): Nearly all trading happened today, confirming this is a forecast-driven market with no prior baseline conviction.
• Liquidity ($95,083): Adequate for a single-day weather contract but thin enough that a forecast revision could move the price 10-15 percentage points quickly.
• Trader sentiment (92.5% YES / 7.5% NO): Strongly directional. The 7.5% NO position represents residual uncertainty about forecast accuracy, not a competing meteorological thesis.
• Open interest ($0): No outstanding unresolved positions carried from prior sessions. All capital entered and resolved within this trading window.

Lines Analysis: Dallas Temperature on May 6

NWS Dallas-Fort Worth short-range guidance is the primary driver here. The upper-level trough over the Southern Plains has kept surface temperatures suppressed, and the models have been consistent in placing Dallas highs in the low-to-mid 70s for May 6. When synoptic-scale support is this clear, forecast busts above 75°F require either a faster-than-predicted ridge build from the west or unexpected surface moisture convergence that generates a warm afternoon mixing profile. Neither appears prominently in current guidance.

The genuine risk sits in afternoon boundary layer mixing. Dallas in early May can produce rapid afternoon temperature rises if morning cloud cover breaks earlier than expected and dry westerly winds mix down warmer air from aloft. A 3-4°F bust on the warm side, the kind that drops a forecasted 73°F day to an actual 76-77°F high, is the realistic scenario that the 7.5% NO capital is buying. That is not a negligible meteorological risk, but 92.5% probability correctly reflects how well-constrained the forecast is at this range.

• NWS Dallas-Fort Worth issues its next short-range forecast discussion this evening. Any upward revision to the May 6 high temperature guidance would reprice this contract lower.
• The 00Z operational GFS and Euro model runs will update surface temperature forecasts for Dallas overnight. Consistency between models at or below 75°F sustains the current price.
• Afternoon mixing potential is the physical wildcard. Earlier-than-forecast cloud clearance on May 6 morning raises the odds of a warm-side bust.
• The resolution timestamp of 2026-05-06 12:00:00 suggests the market may close before the full meteorological day completes, which adds uncertainty about exactly which temperature reading triggers resolution.

At $47,357 in volume, this is a shallow but directionally clear market. The NWS forecast and current model consensus both favor the below-75°F outcome. The 7.5% against is buying forecast error risk, not a competing weather pattern.

LINES VERDICT

Cool Front Holds, Market Agrees

The NWS Dallas-Fort Worth forecast, current model consensus, and a sharp late-session price move all point the same direction. The market has priced this as settled science, and the meteorological setup supports that conclusion.

What the market says: 92.5% probability that Dallas records a high of 75°F or below on May 6. That is a high-conviction reading for a one-day weather contract, though thin liquidity means any NWS forecast revision before the 2026-05-06 12:00:00 resolution timestamp could produce a sharp price swing.

Key unknown: The next NWS Dallas-Fort Worth short-range forecast discussion and the overnight 00Z model runs are the single most important data points. A warm-side revision of even 3-4°F in official guidance would bring the NO side back into play.

Scientific Context: May Temperature Patterns in Dallas

Dallas sits in a transition zone where late April and early May mark the boundary between spring cool fronts and the onset of summer heat. Historical NWS data shows Dallas records highs at or below 75°F roughly 30-35% of days in the first week of May in a normal year. A 92.5% probability implies the current atmospheric pattern is unusually favorable for suppressed temperatures, well outside the climatological base rate. The upper-level trough driving this forecast is a synoptic-scale feature with good model predictability at 24-48 hour range, which is why forecast confidence is high and the market has priced accordingly. Any shift in the trough’s position or timing before 2026-05-06 12:00:00 would be the primary repricing catalyst.

Frequently Asked Questions

• What does 92.5% probability mean here? It means traders collectively believe there is roughly a 92.5% chance that Dallas records an official high of 75°F or below on May 6. Prediction market probabilities reflect collective trader belief, not a guaranteed meteorological forecast.
• What pays out on the NO side? Any official Dallas high temperature above 75°F on May 6 would push capital toward the alternative outcome brackets. The NO position currently holds 7.5% of implied probability.
• What single event would move this price most? A NWS Dallas-Fort Worth forecast revision upward, particularly in the 18Z or 00Z model-guided forecast discussions tonight, would be the highest-impact repricing event before resolution.
• When does this market resolve? The resolution timestamp is 2026-05-06 12:00:00. Traders should note whether resolution uses the full meteorological day high or only temperatures recorded through that midday timestamp.
• Is volume reliable here? Total volume of $47,357 is well below $1 million. Liquidity of $95,083 means the price can move sharply on a single trade or forecast update. Treat the 92.5% price as directionally informative but not deeply liquid.

This analysis reflects market conditions as of 2026-05-05 05:13:49. Prediction market probabilities are volatile and shift as new data and regulatory decisions emerge, especially as the 2026-05-06 12:00:00 resolution date approaches. Lines.com does not accept bets or provide financial or gambling advice. All market outcomes are uncertain.