RDT&E Program Element · President's Budget PB2027

Weather Service

PE 0305111F·U.S. Air Force·Approp. 3600 — RDT&E·BA7 — Operational System Development
FY2027 Request
$29.3M
Air Force · RDT&E
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U.S. Air Force funding falls 41% to a $29.3M request in FY2027 (down from a FY2026 peak), sustained across the five-year plan. In the FY2027 defense authorization, the House funded it in full; the Senate funded it in full; House appropriators added 6.8% (to $31.3M). AFLCMC leads the industry work.

FY2027 Request
$29.3M
▼ 41% vs FY2026
FY2026 Enacted
$50.1M
▲ 27% vs FY2025
FY2025 Actual
$39.4M
Prior year

For fiscal year 2027, the U.S. Air Force is requesting $29.3M for Weather Service under RDT&E program element 0305111F, down 41% from FY2026.

Funding trajectory

Funding profile, FY2025–FY2031

Prior years are actuals, the budget year is the request, and the outyears are the FYDP plan. Estimate types are colored and never summed into one figure.

2550039.4FY25ACTUAL50.1FY26ENACTED29.3FY27REQUEST32.7FY2832.7FY2932.9FY3033.6FY31
Actual Enacted Request Outyear (FYDP)
Fiscal YearEstimate TypeAmount ($M)
FY2025Actual39.4
FY2026Enacted50.1
FY2027Request29.3
FY2028Outyear32.7
FY2029Outyear32.7
FY2030Outyear32.9
FY2031Outyear33.6
Where it sits

Acquisition lifecycle

This program is funded in RDT&E Budget Activity 7 — Operational System Development.

Complete
Research
BA 1–2
Complete
Advanced Technology
BA 3
Complete
Prototyping
BA 4
Current
Development & Fielding
BA 5–7
Inside the program element

1 project rolls up into PE 0305111F

Projects are the summable leaves — the PE total is their sum, never added to it. Program elements and projects carry the full five-year plan; activities stop at the budget year. This PE moves -41% overall, which can hide much larger swings below.

Project 672738

Weather Service

$29.3MFY2027 request ▼ 41%
FY2025 actual$39.4M
FY2026 enacted$50.1M
FY2027 request$29.3M
Product DevelopmentTest and EvaluationManagement Services

This budget activity funds the operational development necessary to acquire and modernize Air Force Weather Service [AFWS] capabilities in support of the 2026 National Defense Strategy's [NDS] lines of effort. To prioritize military excellence and readiness, AFWS provides timely, accurate, resilient, and relevant environmental information to enable global battle-space situational awareness for the Air Force [AF], Army, Special Operations Forces [SOF], Space Force [USSF], combatant commands, the Intelligence Community [IC], and other government agencies. AFWS provides extreme weather impacts and assessments, as well as space and terrestrial weather sensing, forecasting, and weather analytic capabilities, at home station and deployed, in order to deliver critical environmental information in support of decision makers to gain the asymmetric advantage during the full spectrum of air and space combat operations. AFWS decreases the risk to mission and risk to force by increasing the lethality, effectiveness, and survivability of Department of War [DoW] weapon systems. To re-establish deterrence, AFWS development efforts integrate DoW, government agency, commercial, and international partner environmental data and software with AFWS information systems for processing, storing, exploiting, and disseminating all-domain weather information for analysis, forecasting, mission integration, and greater interoperability. To rebuild our military and maximize lethality, AFWS sensors and information systems are being modernized through improvements to architecture and system efficiency, cybersecurity, joint all-domain command and control [JADC2] and sensing grid integration, environmental sensor development, migration to cloud computing, artificial intelligence and machine learning [AI/ML] initiatives, and expanding agile software development, rapid delivery, and integration practices. The AF Weather Enterprise digital transformation and cloud migration effort modernizes key capabilities providing the military advantage to accurately predict environmental impacts optimizing mission planning, targeting, weaponeering, mission execution, battle damage assessment, and space systems operations.

Accomplishments / planned programs (R-2A) — prior, current and budget year only
Fixed Base Weather System [FBWS]
FY2025 actual$0.0M
FY2026 enacted$0.0M
FY2027 request$0.0M
Expeditionary Weather [ExMet]RESTART
FY2025 actual$0.6M
FY2026 enacted$0.0M
FY2027 request$0.6M

FY2027 planned work -Funding will be used for the continued improvement of forecasting capabilities at the edge utilizing AI/ML capabilities. The team will begin researching the development of a new smaller expeditionary weather sensor and other observing capabilities.

FY2026 to FY2027 change Funding increased minimally due to standard operating costs.

FY2026 plans — current year -Funding will support component integration as well as functionality modifications and testing of component sensor systems, in particular the edge node AI/ML local weather model and compute hardware.

Portable Doppler Radar [PDR]
FY2025 actual$0.0M
FY2026 enacted$0.0M
FY2027 request$0.0M
Weather Data Analysis Increment 5 [WDA Inc 5]▲ 8%
FY2025 actual$5.8M
FY2026 enacted$6.4M
FY2027 request$6.9M

FY2027 planned work -Funding will support evaluation and improvement of processes and technology for Cloud operations and integration of environmental data into C2 and planning systems. -Continue the support of cyber security automation, data transformations, and new satellite data integration to the AFW-VPC platform as well as decision-making systems.

FY2026 to FY2027 change Program increased due to increased technical support required for JADC2 and IC integration efforts.

FY2026 plans — current year -Funding will support cyber security automation, data transformations, and new satellite data integration to the AFW-VPC platform as well as JADC2 and IC integration.

Commercial Weather Data [CWD]NEW
FY2025 actual$0.0M
FY2026 enacted$0.0M
FY2027 request$0.2M

FY2027 planned work -Testing, evaluation, integration, and exploitation of emerging commercial weather capabilities to provide the AF Weather community with additional data sources that boost environmental intelligence, fill capability gaps, and improve weather modeling.

FY2026 to FY2027 change Previous efforts regarding CWD utilized congressional add funds.

Numerical Weather Modeling [NWM]▼ 7%
FY2025 actual$14.3M
FY2026 enacted$14.6M
FY2027 request$13.5M

FY2027 planned work -Funding will support continued model code optimization, model blending, hydrology prediction, AI/ML-based contrail analysis and prediction, and classified modeling development. -Continue application development supporting the IC community.

FY2026 to FY2027 change Funding decreased to support A&AS reductions.

FY2026 plans — current year -Continue model code optimization, model blending, hydrology prediction, AI/ML-based contrail analysis and prediction, and classified modeling development. -Begin research and development on new aerosol model.

Weather Applications Rapid Production [WARPspeed]▼ 12%
FY2025 actual$8.2M
FY2026 enacted$9.2M
FY2027 request$8.1M

FY2027 planned work -Funding will support the continued BIFROST Portal development and mission-focused weather workflow applications for weather and non-weather operators, 14WS applications, and C2 integration. -The development will include research and testing AI/ML based applications to improve the efficiency and accuracy of weather workflow applications.

FY2026 to FY2027 change Funding decreased to support A&AS and FFRDC reductions.

FY2026 plans — current year -Continue BIFROST Portal development and mission-focused weather workflow applications for weather and non-weather operators, 14WS applications, and C2 integration.

Congressional action

Congressional marks

Committee marks on the FY2027 request. Adds and cuts are reconciled in conference before they become law.

RequestPresident's Budget
$29.3M
House NDAA (HASC)HASC
$29.3M full · +$0
Senate NDAA (SASC)SASC
$29.3M full · +$0
House Approps (HAC-D)HAC_D
$31.3M +$2.0M · +6.8%
▲ $2.0M chamber gap — unresolved as of 2026-07-27. These are FY2027 authorization marks (NDAA); appropriations and the conference agreement may differ.
Who's building it

Where the FY2027 request goes

Performers named in the R-3 exhibit, resolved into industry, government-lab, and unspecified shares. Budget-justification contract funding, not obligations.

AFLCMC
$5.5M · 19%
Program Management Administration AFLCMC · CPFF
NextGen Federal Systems
$4.2M · 14%
WDA-Inc 5, Develop web service, big data analytics, and ML/AI platform capabilities · CPAF
Where FY2027 funding flowsShare$M
Industry primes34%10.0
Other / unspecified66%19.3
FY2027 request100%29.3
See AFLCMC's full federal contract ledger members
Program detail

Mission & acquisition strategy

This budget activity funds the operational development necessary to acquire and modernize Air Force Weather Service [AFWS] capabilities in support of the 2026 National Defense Strategy's [NDS] lines of effort. To prioritize military excellence and readiness, AFWS provides timely, accurate, resilient, and relevant environmental information to enable global battle-space situational awareness for the Air Force [AF], Army, Special Operations Forces [SOF], Space Force [USSF], combatant commands, the Intelligence Community [IC], and other government agencies.

AF Weather has adopted a CI/CD approach to delivering capabilities rapidly and routinely using multiple contracts to support a family of systems through development, fielding and sustainment. Cost Plus contracts are utilized for software development and sustainment and Firm Fixed Price contracts for Commercial-off-the-shelf [COTS] systems and Contract Logistics Support [CLS] efforts. Pre-competed General Services Administration [GSA], Defense Logistics Agency, and Defense Micro-Electronics Activity [DMEA] contract vehicles are leveraged when appropriate, and competitive and small-business awards are favored, as well as focused partnerships with select universities and government organizations with weather, AI/ML, and data sciences expertise.

Project 672738 — Weather Service
  • Product Development
  • Test and Evaluation
  • Management Services
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Answers are generated from the figures on this page — the FY2027 justification exhibits and the marks tracked above — and nothing else is consulted. Confirm any figure against the cited exhibit before you use it externally.

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Questions this page can answer
How does the FY2027 request compare with FY2026, and what does the five-year plan show?What did the FY2027 NDAA committees do to this request?How is the FY2027 request split between industry and government performers?In plain terms, what is this program element for and how is it being acquired?

This page carries the budget justification and the NDAA marks — nothing else. For what AFLCMC has actually been obligated, the ledger is at hitchintel.com/vendors; for live solicitations, hitchintel.com/opportunities. Both are member surfaces.

Provenance

Cite this page

Sources
FY2027 Department of the Air Force RDT&E Budget Justification · Exhibits R-2 / R-3 · PE 0305111F (President's Budget PB2027) — and FY2027 NDAA committee marks, as tracked 2026-07-27.
Suggested citation
HitchAI, "Weather Service (PE 0305111F)," federal budget intelligence, PB2027 vintage. hitchintel.com/programs/0305111F
Machine access
Markdown twin /programs/0305111F.md · MCP mcp.hitchintel.combudget_get_program_element, budget_get_cong_marks